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Britannica Sources used in this answer
Philip
Philip - Early years
History
Historic Nobility
Philip
How old was Philip when his father William II died?
Created from Britannica articles
using AI
. AI can make mistakes, so verify using Britannica articles.
Philip
Philip, 17th-century etching.
(more)
Philip, the
landgrave
of
Hesse
, was barely five years old when his father, William II, died.
1