13. William de Brereton (William de , Ralph de , William de , Ralph de , William de , Ralph de ) was born about 1300.
They had the following children:
15 M i Richard de Brereton. Richard married Agnes. 16 M ii Peter de Brereton. + 17 M iii William de Brereton. 18 M iv John de Brereton. + 19 M v Nicholas de Brereton. 20 F vi Margery Brereton. 21 F vii Matilda Brereton. 22 F viii Margaret Brereton.