Question: Who is Margaret Of Hereford's maternal grandfather?
Sentence (from "Margaret of Hereford"): Margaret of Hereford (also Margaret de Bohun née Margaret of Gloucester, 1122/1123 – 6 April 1197) was an English noblewoman and the eldest daughter of Miles de Gloucester, 1st Earl of Hereford by his wife, the wealthy Cambro-Norman heiress Sibyl de Neufmarché.
Relevant evidence: Yes