Name variants
![Cymraeg](/Images/flags/small/_Wales.png)
Willem ap Robert
![Cymraeg](/Images/flags/small/_Wales.png)
Willem ap Robert de Corswarem
![Cymraeg](/Images/flags/small/_Wales.png)
Willem ap Robert van Goor
![English](/Images/flags/small/gb.png)
William Corswarem
![English](/Images/flags/small/gb.png)
William de Corswarem
![English](/Images/flags/small/gb.png)
William FitzRobert
![English](/Images/flags/small/gb.png)
William FitzRobert de Corswarem
![English](/Images/flags/small/gb.png)
William FitzRobert of Corswarem
![English](/Images/flags/small/gb.png)
William FitzRobert of Goor
![English](/Images/flags/small/gb.png)
William Goor
![English](/Images/flags/small/gb.png)
William of Corswarem
![English](/Images/flags/small/gb.png)
William of Goor
![Gàidhlig](/Images/flags/small/_Scotland.png)
Willem MacRobert
![Gàidhlig](/Images/flags/small/_Scotland.png)
Willem MacRobert de Corswarem
![Gàidhlig](/Images/flags/small/_Scotland.png)
Willem MacRobert van Goor
![International format](/Images/flags/small/un.png)
Willem Corswarem
![International format](/Images/flags/small/un.png)
Willem de Corswarem
![International format](/Images/flags/small/un.png)
Willem FitzRobert
![International format](/Images/flags/small/un.png)
Willem FitzRobert de Corswarem
![International format](/Images/flags/small/un.png)
Willem FitzRobert van Goor
![International format](/Images/flags/small/un.png)
Willem Goor
![International format](/Images/flags/small/un.png)
Willem Robertsson
![International format](/Images/flags/small/un.png)
Willem Robertsson de Corswarem
![International format](/Images/flags/small/un.png)
Willem Robertsson van Goor
![International format](/Images/flags/small/un.png)
Willem van Goor