William de Saye, companion of King William I married Agnes de Grenes Maisnil, daughter of Hugh Maisnil. They had issue

Geoffrey de Saye, born in 1060. He married Hawise, daughter of ----- de Clare. They had issue

William de Saye, who married Beatrice, daughter of William de Mandeville, sister of Geoffrey de Mandeville, and who died in 1201. They had issue

1 William de Saye, dsp before 1st August 1177.
2 Geoffrey de Saye, born in 1135, died in 1215. He had issue

Geoffrey de Saye, who died 1230. He married Alice, daughter of John de Casineto or Cheney. They had issue

William de Say, Lord of Berling and Seale in Kent, Governor of Rochester Castle, and who died in 1294. He married Sybil, daughter of John Marshall of Linton. They had issue

Willaim de Saye, fl; 1294-5. He married Mary ----- and had issue

Geoffrey de Saye, who died in 1322. He married Idonea, daughter of Lord Leybourne. They had issue

Sir Geoffrey de Saye, Admiral of the Fleet, Knight Banneret, who died in 1359. He acquired Knole Park and married Margaret de Beauchamp, daughter of Guy, Earl of Warwick. They had issue

1 William, who had issue John and Elizabeth.
2 Idonea, who married the 3rd Lord Clinton.
3 Elizabeth, dsp.
4 Joan, who married Sir William de Fiennes.