Namnvarianter
Vilhelm Georg FitzClarence
Vilhelm Georg Williamsson
Vilhelm Georg Williamsson FitzClarence
William Georg FitzClarence
William Georg Williamsson
William Georg Williamsson FitzClarence
William George ap William
William George ap William FitzClarence
William George FitzClarence
William George FitzWilliam
William George FitzWilliam FitzClarence
William George MacWilliam
William George MacWilliam FitzClarence
William George Williamsson
William George Williamsson FitzClarence