| Cattery Name | Cat Name | Color | M/V | Date Birth | Test Results | Specialist | Pedigree Number | Sire / Vader | Dame / Moeder |
| U2's Pride | After Forever van | BRI b 23 | M | 27-08-'03 | PKD: neg 04-11-'04 HCM: neg 04-11-'04 | M. Schmidt M. Schmidt | BRKV 022-1103 | Pacino van de Kristalhof | Minous op het Harde |
| Uil | Adonis van den | BRI a | M | 27-10-'04 | PKD: neg 01-03-'06 HCM: neg 01-03-'06 HCM: neg 07-08-'06 HCM: neg 08-08-'07 HCM: neg 30-06-'08 | C. Lebrus(BE) C. Lebrus(BE) I.Putcuyps I.Putcuyps I.Putcuyps | AICC 04007339 | Humpry-Karel van Bibiaan | Sientje Wildebras |
| Uil | Amandel-Pralini van den | BRI g | V | 27-10-'04 | PKD: neg 01-03-'06 HCM: neg 01-03-'06 HCM: neg 02-05-'07 | I. Putcuyps I. Putcuyps I. Putcuyps | AICC 04007343 | Humpry-Karel van Bibiaan | Sientje Wildebras |
| Uldwina's | Etain Eolande | BRI a | V | 28-02-'10 | PKD: DNA neg HCM: neg 01-03-'12 | Animal DNA F Paolo | NCT 2010-7129 | Spike van Black Lake | Uldwyna van Black Lake |
| Uldwina's | Leonora Lynette | BRI a | V | 25-01-'13 | HCM: neg 27-01-'14 HCM: neg 09-10-'15 | N. de Heer N. de Heer | NCT 2013-7058 | Spike van Black Lake | Uldwyna van Black Lake |
| Uncle Tom | Aida | BRI b | V | 21-5-'19 | HCM: neg 09-06-'20 | Kresken | (NL)MU LO19.BSH.182.5 | Vico Viking from Town-House | Mata Hari from Town-House |
| Uncle Tom | Gin Tonic | BRI | M | 13-9-'20 | HCM: neg 5-10-'21 | Kresken | (NL)MU LO20.BSH.297.1 | Dorian Grey From Town-House | Queen Bee from Town-House |
| Uncle Tom | Nabucco | BRI b | M | 21-5-'19 | HCM: neg 09-06-'20 | Kresken | (NL)MU LO19.BSH.182.3 | Vico Viking from Town-House | Mata Hari from Town-House |
| Uncle Tom | Sherifa | BRI | V | 1-4-'19 | HCM: neg 23-04-'21 | N Beijerink | (NL)MU LO19.BSH.129.4 | Manu Kocia Laba*PL | CHI-CHI van de Kraayenberg |
| Underleyhall | Ethernity | BRI j 02 62 | V | 06-01-'15 | PKD: DNA neg HCM: neg xx-Xx-'16 | Orivet Bartuzuk | PL IBSCC LO 001873/15 | Ferrari Edelweis | Sinq Laison Underleyhall |
| Underleyhall | Ikuchi | BRI e 03 | V | 22-02-'16 | PKD: DNA neg HCM:neg 08-05-2017 | Orivet Bartuzuk | PL IBSCC LO 002176/16 | Duarte de Pura Sangre | Ethernity Underleyhall |
| Underleyhall | Ingebaener | BRI n | M | 06-06-'12 | PKD: DNA neg HCM: neg 18-04-'14 HCM:neg 20-01-2017 | Orivet Bartuzuk Bartuzuk | PL IBSCC LO 001331/12 | Lucianos daddy Cool v Wernerwald | Uphene Underleyhall |
| Underleyhall | Khankennirdia | BRI h 02 62 | V | 16-08-'16 | HCM:neg 21-08-2017 | Bartuzuk | PL IBSCC LO 002310/16 | Ferrari Edelweiss | Waira Underleyhall |
| Underleyhall | Knophikoo | BRI f 03 | V | 16-08-'16 | HCM:neg 21-08-2017 | Bartuzuk | PL IBSCC LO 002309/16 | Ferrari Edelweiss | Waira Underleyhall |
| Underleyhall | Reset | BRI b 02 62 | M | 28-09-'13 | HCM: neg 05-01-'15 | Bartuzuk | PL IBSCC LO 001587/13 | volgt | volgt |
| Union Jack's | Almost April | BRI p | V | 13-03-'05 | PKD: neg 30-11-'05 HCM: neg 12-09-'06 HCM: neg 20-11-'07 HCM: neg 20-09-'13 | DNA AUS H. Garretsen H. Garretsen H. Garretsen | NCT 2005-7294 | Rivium's Xando Leroy | Pearl Bora van Sunorès |
| Union Jack's | Alphabet Abracadabra | BRI p | M | 13-03-'05 | PKD: neg 25-07-'05 | DNA FR | NCT 2005-7290 | Rivium's Xando Leroy | Pearl Bora van Sunorès |
| Union Jack's | Awesome Animal | BRI p | M | 13-03-'05 | PKD: neg 09-03-'06 HCM: neg 29-07-'06 | DNA AUS V. Bavegems | NCT A2005-7292 | Rivium's Xando Leroy | Pearl Bora van Sunorès |
| Union Jack's | Blinding Blitz | BRI p | V | 10-05-'05 | PKD: neg 09-03-'06 HCM: neg 11-04-'06 | DNA AUS H. Garretsen | NCT A2005-7395 | 2000 Light Years Karel Sjimmie | Rivium's Hortense |
| Union Jack's | Bling Bling | BRI p | V | 10-05-'05 | PKD: neg 30-11-'05 HCM: neg 19-09-'06 | DNA AUS H. Garretsen | NCT A2005-7393 | 2000 Light Years Karel Sjimmie | Rivium's Hortense |
| Union Jack's | Brilliant Blizzard | BRI p | M | 10-05-'05 | PKD: neg 09-03-'06 HCM: neg 20-03-'06 HCM:neg 17-11-'06† | DNA AUS I. Tiemessen SECTIE UTRECHT | NCT A2005-7392 | 2000 Light Years Karel Sjimmie | Rivium's Hortense |
| Union Jack's | Cloud Nine | BRI c | M | 12-05-'06 | HCM: neg 12-04-'07 HCM: neg 08-05-'08 | H. Garretsen H. Garretsen | NCT 2006-7276 | Pom-Ti-Dom Joufflu | Union Jack's Almost April |
| Union Jack's | Cuty Pie | BRI c | V | 12-05-'06 | PKD: neg 22-11-'07 HCM: neg 27-11-'07 | DNA USA H. Garretsen | NCT 2006-**** | Pom-Ti-Dom Joufflu | Union Jack's Almost April |
| Union Jack's | Eclipse | BRI b | M | 03-09-'06 | PKD: neg 22-11-'07 HCM: neg 27-11-'07 HCM: neg 26-11-'08 HCM: neg 23-11-'12 | DNA USA H. Garretsen R. Gerritsen R. Gerritsen | NCT 2006-7719 | Uccellini v. Flöthbach | Van Osatee Fleur |
| Union Jack's | Energy | BRI h | V | 03-09-'06 | HCM: neg 17-01-'08 | H. Vinck | NCT 2006-**** | Uccellini v. Flöthbach | Van Osatee Fleur |
| Union Jack's | Flower Power | BRI p | V | 04-02-'07 | HCM: neg 01-04-'08 | M. Schmidt | NCT 2007-7023 | Rebelle Roi Joufflu | Pearl Bora van Sunorès |
| Union Jack's | Full Monty | BRI p | V | 03-02-'07 | PKD: neg 07-01-'08 | DNA USA | NCT 2007-**** | Rebelle Roi Joufflu | Pearl Bora van Sunorès |
| Union Jack's | Gotcha! | BRI a | V | 27-04-'07 | PKD: neg 22-11-'07 | DNA USA | NCT 2007-**** | You're Welcome Joufflu | Union Jack's Blinding Blitz |
| Union Jack's | Hakuna Matata | BRI w 62 | V | 06-05-'07 | PKD: neg 22-11-'07 | DNA USA | NCT 2007-**** | Snowball of Tommy's Townhouse | Union Jack's Almost April |
| Union Jack's | Indian Summer | BRI a | V | 01-07-'07 | PKD: neg 22-11-'07 | DNA USA | NCT A2007-*** | You're Welcome Joufflu | Rivium's Hortense |
| Union Jack's | Muffin | BRI | M | 25-04-'08 | HCM: neg 20-09-'13 HCM: neg 15-10-'15 | Garretsen Garretsen | NCT 2008-7422 | Delicato Chocoprince Joufflu | Union Jack's Cuty Pie |
| Union Jack's | My o My! | BRI o | M | 25-04-'08 | HCM: neg 31-05-'13 HCM: neg 15-10-'15 | Garretsen Garretsen | NCT 2008-7424 | Delicato Chocoprince Joufflu | Union Jack's Cuty Pie |
| Unzipp's | Azzurro Dea | BRI ay 22 | V | 18-02-'09 | HCM: neg 01-07-'10 | M. Schmidt | MU.R09.BRI.029.4 | Agent Oto Kot | Trademarks Nina |
| Unzipp's | Gijsje | BRI ay 22 | M | 03-11-'17 | HCM: neg 28-10-'20 | N Beijerink | (NL) MU.RX17.BSH.001.2.RR | Nils v Syltin's Huis | Unzipp's Pien |
| Upländer Hochheide | Conrad zur | BRI a | M | 16-08-'11 | PKD: DNA neg HCM: neg 03-01-'13 | DNA USA Hütting DE | 11-3642 | Neelix von der Buntenstadt | Queen of my Hearth von der OckerHöhe |
| Uroczysko | Domazyr Jarzebinowe | BRI | M | 22-07-'10 | PKD: neg 04-07-'11 HCM: neg 04-07-'11 | I.Putcuyps I.Putcuyps | PL IBSCC LO 001078/10 | Egoiste Junior | Aksinia Ojos Del Salado*PL |
| Ursinha | Ice Teddy | BRI | M | 25-03-'06 | HCM: neg 20-12-'07 | J. Kresken | CSSR 646064 | Loismhor Joe Carioca | Dawnica Casezinho |
| Uytange van | Anouschka | BRI ns 11 | V | 16-07-'05 | PKD: neg 27-03-'07 | DNA BE | NCT 2005-7837 | Eros van de Duinwijk | BolleBeaus Olichka |
| Uytvange | Xenka van | BRI a | V | 11-01-'04 | PKD: neg 29-04-'05 HCM: neg 29-04-'05 | I. Putcuyps I. Putcuyps | ECA exp 04-01-11-01 | Seppe van Exelsior | Binka |