Name variants
![Cymraeg](/Images/flags/small/_Wales.png)
John ap William
![Cymraeg](/Images/flags/small/_Wales.png)
John ap William de Saint Pierre
![English](/Images/flags/small/gb.png)
John de Saint Peter
![English](/Images/flags/small/gb.png)
John de St Peter
![English](/Images/flags/small/gb.png)
John de St Pierre
![English](/Images/flags/small/gb.png)
John FitzWilliam
![English](/Images/flags/small/gb.png)
John FitzWilliam de Saint Peter
![English](/Images/flags/small/gb.png)
John FitzWilliam de Saint Pierre
![English](/Images/flags/small/gb.png)
John FitzWilliam de St Peter
![English](/Images/flags/small/gb.png)
John FitzWilliam de St Pierre
![English](/Images/flags/small/gb.png)
John FitzWilliam of Saint Peter
![English](/Images/flags/small/gb.png)
John FitzWilliam of Saint Pierre
![English](/Images/flags/small/gb.png)
John FitzWilliam of St Peter
![English](/Images/flags/small/gb.png)
John FitzWilliam of St Pierre
![English](/Images/flags/small/gb.png)
John of Saint Peter
![English](/Images/flags/small/gb.png)
John of Saint Pierre
![English](/Images/flags/small/gb.png)
John of St Peter
![English](/Images/flags/small/gb.png)
John of St Pierre
![English](/Images/flags/small/gb.png)
John Peter
![Gàidhlig](/Images/flags/small/_Scotland.png)
John MacWilliam
![Gàidhlig](/Images/flags/small/_Scotland.png)
John MacWilliam de Saint Pierre
![International format](/Images/flags/small/un.png)
John de Saint Pierre
![International format](/Images/flags/small/un.png)
John Pierre
![International format](/Images/flags/small/un.png)
John Williamsson
![International format](/Images/flags/small/un.png)
John Williamsson de Saint Pierre
Gender
Male
Timeline
Birth
Roughly guessed date 1199
Place
![United Kingdom](/Images/Flags/Small/_Wales.png)
Monmouthshire, Wales, United Kingdom
Death
Roughly guessed date 1290
Place
![United Kingdom](/Images/Flags/Small/_England.png)
Shocklach, Cheshire West and Chester, Cheshire, England, United Kingdom