After the Battle of Boroughbridge, he defected to the King's army, which Lancaster deemed treacherous. Lancaster's partisans declared Robert a traitor, took him prisoner, and was then beheaded
He is married to Maude de la Zouche.
They got married in the year 1308, he was 25 years old.Sources 1, 5
Child(ren):
Robert de Holland | |||||||||||||||||||||||||||||||||||
1308 | |||||||||||||||||||||||||||||||||||
Maude de la Zouche |