Mezue ahịrịokwu na-esonụ: Gijsbrecht van Brederode bụ nwa Walraven I van Brederode na nwanne Reinoud II van Brederode. Ọ bụ onye isi na Utrecht na dịka onye ndu nke
Òtù Hook, duziri ndị na-emegide Rudolf van Diepholt. Na 7 Eprel 1455 ndị isi họpụtara ya ka ọ bụrụ bishọp, mana Philip the Good mere ka Pope Calixtus nke Atọ họpụta nwa nwoke Philip; David nke Burgundy. Philip ji ime ihe ike merie mmegide a megidere nhọpụta a ma nọchibido Deventer. N'afọ 1456, Gijsbrecht kwetara ịhapụ ịbụ onye bishọp n'ihi nnukwu ego a ga-akwụ ya. Otú ọ dị, ọ nọgidere bụrụ ogwu n'akụkụ Devid, bụ́ onye tụbara ya na nwanne ya nwoke bụ́ Reinoud n'ụlọ mkpọrọ na 1470.