Phillipa married Robert de Vere, 9th Earl of Oxford on 5 Oct 1376, and was divorced in 1387. Robert (son of Thomas de Vere, 8th Earl of Oxford and Maud de Ufford) was born on 16 Jan 1362; died in 1392 in Louvain, Belgium; was buried in Earls Colne. [Group Sheet] [Family Chart]