Name variants
![Cymraeg](/Images/flags/small/_Wales.png)
William ap William
![Cymraeg](/Images/flags/small/_Wales.png)
William ap William de Tregoz
![English](/Images/flags/small/gb.png)
Bill de Tregoz
![English](/Images/flags/small/gb.png)
Bill Fitzwilliam
![English](/Images/flags/small/gb.png)
Bill FitzWilliam
![English](/Images/flags/small/gb.png)
Bill Fitzwilliam de Tregoz
![English](/Images/flags/small/gb.png)
Bill FitzWilliam de Tregoz
![English](/Images/flags/small/gb.png)
Bill Fitzwilliam of Tregoz
![English](/Images/flags/small/gb.png)
Bill FitzWilliam of Tregoz
![English](/Images/flags/small/gb.png)
Bill of Tregoz
![English](/Images/flags/small/gb.png)
Bill Tregoz
![English](/Images/flags/small/gb.png)
Will de Tregoz
![English](/Images/flags/small/gb.png)
Will Fitzwilliam
![English](/Images/flags/small/gb.png)
Will FitzWilliam
![English](/Images/flags/small/gb.png)
Will Fitzwilliam de Tregoz
![English](/Images/flags/small/gb.png)
Will FitzWilliam de Tregoz
![English](/Images/flags/small/gb.png)
Will Fitzwilliam of Tregoz
![English](/Images/flags/small/gb.png)
Will FitzWilliam of Tregoz
![English](/Images/flags/small/gb.png)
Will of Tregoz
![English](/Images/flags/small/gb.png)
Will Tregoz
![English](/Images/flags/small/gb.png)
William Fitzwilliam
![English](/Images/flags/small/gb.png)
William FitzWilliam
![English](/Images/flags/small/gb.png)
William Fitzwilliam de Tregoz
![English](/Images/flags/small/gb.png)
William FitzWilliam de Tregoz
![English](/Images/flags/small/gb.png)
William Fitzwilliam of Tregoz
![English](/Images/flags/small/gb.png)
William FitzWilliam of Tregoz
![English](/Images/flags/small/gb.png)
William of Tregoz
![Gàidhlig](/Images/flags/small/_Scotland.png)
William MacWilliam
![Gàidhlig](/Images/flags/small/_Scotland.png)
William MacWilliam de Tregoz
![International format](/Images/flags/small/un.png)
William de Tregoz
![International format](/Images/flags/small/un.png)
William Tregoz
![International format](/Images/flags/small/un.png)
William Williamsson
![International format](/Images/flags/small/un.png)
William Williamsson de Tregoz
Gender
Male
Timeline
Birth
Roughly guessed date 1070
Place
![United Kingdom](/Images/Flags/Small/_England.png)
Worthing, West Sussex, England, United Kingdom
Death
Roughly guessed date 1169
Place
![United Kingdom](/Images/Flags/Small/_England.png)
Cricklade, Wiltshire, England, United Kingdom