CHECHOSLOVAKIAN WOLFDOG (FCI:01)
 | XI OD UHOSTE   | JAWZAHR Z PERONOWKI | QUEEN OD UHOSTE |  | 2009 | |
 | XHINDE Z PERONOWKI  | ELIGO Z PERONOWKI | IBONA RADOV DVOR |  | 2011 | |
 | XEZBETH Z PERONOWKI | ELIGO Z PERONOWKI | IBONA RADOV DVOR | | 2011 | |
 | XEVOL III OD UHOSTE   | FAOLAN TAWY | CINDY III OD UHOSTE | | 2021 | |
| XERXES GREY STRIPEK SNU | SULLIVAN GREY STRIPEK SNU | HELTER-SKELTER GREY STRIPEK SNU | | 2018 | ||
 | XERON MALY BYSTEREC  | KARLOFF LUPUS ARDOR | CONNIE VLCI TLAPKA | | 2021 | |
| XERO Z LITAVSKE KOTLINY | CIR CLEO SOTIS | TARA Z LITAVSKE KOTLINY | | 2010 | ||
| XERK SPOD DUMBIERA | BRIT Z DUBNICANKY | ISIS DAKMAT | | 2018 | ||
 | XERES OLIM PALUS  | SANTIAGO OLIM PALUS | NASHIRA ZLATA PALZ | | 2018 | |
 | XENOS XERXES DE LOUBA TAR  | CHROP Z KLADENSKE ZARE | DAGAZ DILLE VAN DE KILSTROOM | | 2004 | |
| XENOPHON GREY STRIPEK SNU | SULLIVAN GREY STRIPEK SNU | HELTER-SKELTER GREY STRIPEK SNU | | 2018 | ||
| XENON Z KROTKOVSKEHO DVORA | ICARUS LUPUS ARDOR | CRYING WOLF 1996 OLIVE | | 2020 | ||
 | XENON LUPI DEL MONTALE | UDUG Z PERONOWKI | DASA CHLUMECKE PODZAMCI | | 2013 | |
 | XENOBIA OD UHOSTE | JAWZAHR Z PERONOWKI | QUEEN OD UHOSTE | | 2009 | |
 | XENIE Z LITAVSKE KOTLINY | CIR CLEO SOTIS | TARA Z LITAVSKE KOTLINY | | 2010 | |
 | XENIA VON KONIGS-TERRY | CRYING WOLF FORREST | CRYING WOLF GAIA | | 2004 | |
 | XENIA III OD UHOSTE | FAOLAN TAWY | CINDY III OD UHOSTE | | 2021 | |
| XENATOR ARNI DE LOUBA TAR | CHROP Z KLADENSKE ZARE | DAGAZ DILLE VAN DE KILSTROOM | | 2004 | ||
| XENA Z LITAVSKE KOTLINY | CIR CLEO SOTIS | TARA Z LITAVSKE KOTLINY | | 2010 | ||
 | XENA Z KROTKOVSKEHO DVORA | ICARUS LUPUS ARDOR | CRYING WOLF 1996 OLIVE | | 2020 | |
| XENA SPOD DUMBIERA | BRIT Z DUBNICANKY | ISIS DAKMAT | | 2018 | ||
| XENA ONNY SALTO DEL LUPO | MIO OLIM PALUS | NALA | | 2021 | ||
| XENA II OD UHOSTE | BUCK II OD UHOSTE | BRIE LOSTRIS | | 2016 | ||
| XENA GREY STRIPEK SNU | SULLIVAN GREY STRIPEK SNU | HELTER-SKELTER GREY STRIPEK SNU | | 2018 | ||
| XENA -2003- | HEATCLIFF Z MOLU ES | CILKA Z PONICKEHO DVORA | | 2003 | ||
| XENA | TRUAN DEL CASTILLO DE SAX | ZYRA DE ESTRELLA DEL SOL | | - | ||
| XELA Z POHRANICNI STRAZE F3 | ARNO Z POHRANICNI STRAZE | TILA Z POHRANICNI STRAZE F2 | | 1968 | ||
 | XCLUSIVE EDITION MALY BYSTEREC | KARLOFF LUPUS ARDOR | CONNIE VLCI TLAPKA | | 2021 | |
| XCLAMATION BULLY ROYAL CLUB | GORRAN GREY STRIPEK SNU | ALJASKA SRDCERVAC | | 2014 | ||
 | XBACCO FURIA MALY BYSTEREC | KARLOFF LUPUS ARDOR | CONNIE VLCI TLAPKA | | 2021 | |
| XAYNE LUPI DEL MONTALE | UDUG Z PERONOWKI | DASA CHLUMECKE PODZAMCI | | 2013 | ||
 | XAVIERA OD UHOSTE | JAWZAHR Z PERONOWKI | QUEEN OD UHOSTE | | 2009 | |
| XAVIER Z KROTKOVSKEHO DVORA | ICARUS LUPUS ARDOR | CRYING WOLF 1996 OLIVE | | 2020 | ||
 | XAVIER OD UHOSTE | JAWZAHR Z PERONOWKI | QUEEN OD UHOSTE | | 2009 | |
| XAVIER LUPI DEL MONTALE | UDUG Z PERONOWKI | DASA CHLUMECKE PODZAMCI | | 2013 | ||
| XAVIER GREY STRIPEK SNU | SULLIVAN GREY STRIPEK SNU | HELTER-SKELTER GREY STRIPEK SNU | | 2018 | ||
| XAVIER AXEL SALTO DEL LUPO | MIO OLIM PALUS | NALA | | 2021 | ||
| XAVERINE GREY STRIPEK SNU | SULLIVAN GREY STRIPEK SNU | HELTER-SKELTER GREY STRIPEK SNU | | 2018 | ||
| XAVER II OD UHOSTE | BUCK II OD UHOSTE | BRIE LOSTRIS | | 2016 | ||
| XAVER BULLY ROYAL CLUB | GORRAN GREY STRIPEK SNU | ALJASKA SRDCERVAC | | 2014 | ||
 | XAVAN Z ROSIKOVA | CEZAR OD PAVLISINA | CIDA OD PAVLISINA CS | | 1993 | |
| XAVAN Z POHRANICNI STRAZE F1 F4 | SARIK CANIS LUPUS | XELA Z POHRANICNI STRAZE F3 | | 1974 | ||
| XAVAN SPOD DUMBIERA | BRIT Z DUBNICANKY | ISIS DAKMAT | | 2018 | ||
 | XAVAN OD UHOSTE | JAWZAHR Z PERONOWKI | QUEEN OD UHOSTE | | 2009 | |
XAVAN LUPUS IBERICUS  | CRYING WOLF MURAD | EMBA VON DER WOLFSRANCH | | 2012 | ||
| XAVAN LUPI DEL MONTALE | UDUG Z PERONOWKI | DASA CHLUMECKE PODZAMCI | | 2013 | ||
 | XASTUR Z PERONOWKI | ELIGO Z PERONOWKI | IBONA RADOV DVOR | | 2011 | |
 | XARTIN II OD UHOSTE | BUCK II OD UHOSTE | BRIE LOSTRIS | | 2016 | |
 | XARRO VON KONIGS TERRY | CRYING WOLF FORREST | CRYING WOLF GAIA | | 2004 | |
 | XARA Z MOLU ES | ARON Z ALJASKY | ARIMMINUM UPSTEREAM | | 2008 |