"William, Prince of Hohenzollern[citation needed] (German: Wilhelm August Karl Joseph Peter Ferdinand Benedikt Fürst von Hohenzollern[citation needed]) (7 March 1864 in Schloss Benrath, near Düsseldorf[citation needed] ...
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– 22 October 1927 in Sigmaringen[citation needed]) was the eldest son[citation needed] of Leopold, Prince of Hohenzollern and Infanta Antónia of Portugal.[citation needed]
William was an older brother of Ferdinand of Romania. His maternal first cousins included (among others) Carlos I of Portugal, Albert I of Belgium, Frederick Augustus III of Saxony, and Princess Maria Josepha of Saxony." - (en.wikipedia.org 09.04.2021)