• General Notes

  William married Hawise de Lacy,[17] daughter of Walter de Lacy.[18] This marriage occurred after 1066 as her dowry included post-conquest land grants. They had issue:[19][a][b]
  
  Walter Devereux, Lord of Lyonshall,[7][17][20][c] and a benefactor to Brecnock priory temp. Henry I[21]
  Robert Devereux, a benefactor to Brecnock priory temp. Henry I[21][22]

Details of Hawise's family with William Devereux