Richard later became Bishop of London .
However , both Philip 's sons died young , after successively inheriting the estates , which then passed through their sister Adelicia and her husband , Alan de la Zouche , to the Barons Zouche .
Philip later became Bishop of London .
However , both Philip 's sons died young , after successively inheriting the estates , which then passed through their sister Adelicia and her husband , Alan de la Zouche , to the Barons Zouche .