Name variants
![Cymraeg](/Images/flags/small/_Wales.png)
Sir William II ap Robert
![Cymraeg](/Images/flags/small/_Wales.png)
Sir William II ap Robert de Ros
![Cymraeg](/Images/flags/small/_Wales.png)
William ap Robert
![Cymraeg](/Images/flags/small/_Wales.png)
William ap Robert de Ros
![English](/Images/flags/small/gb.png)
Bill de Ros
![English](/Images/flags/small/gb.png)
Bill FitzRobert
![English](/Images/flags/small/gb.png)
Bill FitzRobert de Ros
![English](/Images/flags/small/gb.png)
Bill FitzRobert of Ros
![English](/Images/flags/small/gb.png)
Bill of Ros
![English](/Images/flags/small/gb.png)
Bill Ros
![English](/Images/flags/small/gb.png)
Sir Bill II de Ros
![English](/Images/flags/small/gb.png)
Sir Bill II FitzRobert
![English](/Images/flags/small/gb.png)
Sir Bill II FitzRobert de Ros
![English](/Images/flags/small/gb.png)
Sir Bill II FitzRobert of Ros
![English](/Images/flags/small/gb.png)
Sir Bill II of Ros
![English](/Images/flags/small/gb.png)
Sir Bill II Ros
![English](/Images/flags/small/gb.png)
Sir Will II de Ros
![English](/Images/flags/small/gb.png)
Sir Will II FitzRobert
![English](/Images/flags/small/gb.png)
Sir Will II FitzRobert de Ros
![English](/Images/flags/small/gb.png)
Sir Will II FitzRobert of Ros
![English](/Images/flags/small/gb.png)
Sir Will II of Ros
![English](/Images/flags/small/gb.png)
Sir Will II Ros
![English](/Images/flags/small/gb.png)
Sir William II FitzRobert
![English](/Images/flags/small/gb.png)
Sir William II FitzRobert de Ros
![English](/Images/flags/small/gb.png)
Sir William II FitzRobert of Ros
![English](/Images/flags/small/gb.png)
Sir William II of Ros
![English](/Images/flags/small/gb.png)
Will de Ros
![English](/Images/flags/small/gb.png)
Will FitzRobert
![English](/Images/flags/small/gb.png)
Will FitzRobert de Ros
![English](/Images/flags/small/gb.png)
Will FitzRobert of Ros
![English](/Images/flags/small/gb.png)
Will of Ros
![English](/Images/flags/small/gb.png)
Will Ros
![English](/Images/flags/small/gb.png)
William FitzRobert
![English](/Images/flags/small/gb.png)
William FitzRobert de Ros
![English](/Images/flags/small/gb.png)
William FitzRobert of Ros
![English](/Images/flags/small/gb.png)
William of Ros
![Gàidhlig](/Images/flags/small/_Scotland.png)
Sir William II MacRobert
![Gàidhlig](/Images/flags/small/_Scotland.png)
Sir William II MacRobert de Ros
![Gàidhlig](/Images/flags/small/_Scotland.png)
William MacRobert
![Gàidhlig](/Images/flags/small/_Scotland.png)
William MacRobert de Ros
![International format](/Images/flags/small/un.png)
Sir William II de Ros
![International format](/Images/flags/small/un.png)
Sir William II Robertsson
![International format](/Images/flags/small/un.png)
Sir William II Robertsson de Ros
![International format](/Images/flags/small/un.png)
Sir William II Ros
![International format](/Images/flags/small/un.png)
William de Ros
![International format](/Images/flags/small/un.png)
William Robertsson
![International format](/Images/flags/small/un.png)
William Robertsson de Ros
![International format](/Images/flags/small/un.png)
William Ros
Gender
Male
Timeline
Birth
Roughly guessed date 1255
Place
![United Kingdom](/Images/Flags/Small/_England.png)
Helmsley, North Yorkshire, England, United Kingdom
Death
8 August 1316
Place
![United Kingdom](/Images/Flags/Small/_England.png)
Youlton, North Yorkshire, England, United Kingdom