| Namn | Licens | Födelseår | Far | Mor | Morfar |
|---|---|---|---|---|---|
| Sir William | 17265 | 1986 | Windwurf | Timotej | Furidant |
| Sir William | 3496 | 1982 | Flamingo | Julia | Cyrill |
| Sir William | 735 | 1980 | Diamant | Pegasus | |
| Sir William | 1975 | Vagabond | Wilma | Vital | |
| Sir William | 94232 | 1976 | Fineman | Wiska | Idealist |
| Sir William | 221485 | 1994 | |||
| Sir William | 233366 | 1999 | Myrens Willbur | Cresta | Errislannen |
| Sir William | 48518 | 1981 | Abbot | Wiska | Idealist |
| Sir William | 998332 | 1993 | Windwurf | Lollipop | Jocer |
| Sir William | 974176 | 1991 | Charlie RS 98 | Atti RS 597 | Gabor RS 29 |
| Sir William II | 217974 | 1995 | Elton | Elfygano | Lugano van la Roche |
| Sir Williams | 1994 | ||||
| Sir Windsor | 35752 | 1977 | Wienerwald | Grey Lady | Grey Silk xx |
| Sir Winston | 955701 | 1990 | Romano | Soraya | Furidant |
| Sir Winston | 18318 | 1988 | Alpen Fürst | Madonna | Ganesco |
| Sir Yatzy | 201313 | 1986 | |||
| Sir Ymer | 7530 | 1983 | Isbjörn | Yoga | Iran |
| Sir Ymer | 997123 | 1992 | |||
| Sir Ypsilon | 967739 | 1989 | Madrigal | Qrusidulla | Lester |
| Sisco | 968105 | 1990 | Singapore | Lacina | Lancit |
| Sisco | 952225 | 1985 | |||
| Sisco | 985298 | 1992 | Orchis Cham | Cimona | Flobere |
| Sisco | 200586 | 1994 | |||
| Sisco | 726 | 1979 | Ganesco | Amok | Spalato |
| Sisco Kid | 973725 | 1989 | Jocer | Cindra IV | Sweet Mahrhu xx |
| Sis Girl | 200261 | 1995 | Guinness | Si Seulement xx | Dolman xx |
| Sisi | 227769 | 1999 | Le Vainqueur | Irona | Wolfgang |
| Siske | 232027 | 1999 | Marlon | Une de Soleil | Rigoletto |
| Sisley | 941851 | 1986 | Silvester | Jopa | Sawara |
| Sison | 968328 | 1991 | Stanford | Si Seulement | Dolman |