Question: Who is Maud De Ufford, Countess Of Oxford's father-in-law?
Sentence (from "Thomas de Vere, 8th Earl of Oxford"): He married, Sometime before 10 June 1350, Maud de Ufford, daughter and heir of Sir Ralph de Ufford and Maud of Lancaster, the daughter of Henry of Lancaster, grandson of King Henry III.
Relevant evidence: No