William de Molyneux (d. before 1292)

✓ William de Molyneux, son of Adam; witness down to 1275, said in traditional verses to have been made a banneret in Gascony and to have died 1289; m. Agatha; gave Speke to his daughter Joan on her marriage with Robert Erneys of Chester. Source: Victoria County History, Lancashire vol. III (1907), 'Sefton' pp.66-68 (archive.org djvu text, read 2 Nov 2026). [DIRECT ANCESTOR OF THE COMPILER: flag added 2 Nov 2026 by walking the tree from Aynsley, so that this marker is reliable and can be searched.]