John de Segrave, 4th Baron Segrave, b. 4 May 1315, d. 1 April 1353 in Repton, Derbyshire, England

Father: Stephen de Segrave, 3rd Baron Segrave
Mother: Alice fitzAlan
Spouse: Margaret, Duchess of Norfolk, m. Sir Walter Manny
Father: Thomas of Brotherton, 1st Earl of Norfolk, b. 1 June 1300 in Brotherton, Yorkshire, d. 4 August 1338
Mother: Alice de Hales, d. bef. 12 October 1330
Married ca. 1335

Children:

  1. John de Segrave, died young
  2. John de Segrave, m. Blanche Mowbray, d. bef. 1 April 1353
  3. Elizabeth de Segrave, m. John de Mowbray, 4th Baron Mowbray
  4. Margaret de Segrave, d. bef. 1353

Stephen de Segrave, 3rd Baron Segrave

Spouse: Alice fitzAlan

Father: Richard fitzAlan, 8th Earl of Arundel, b. 3 February 1266 in England, d. 9 March 1301 in England
Mother: Alice de Saluzzo, b. ca. 1268 in Italy, d. 1292
Married

Children:

  1. John de Segrave, 4th Baron Segrave, b. 4 May 1315, m. Margaret, Duchess of Norfolk, ca. 1335, d. 1 April 1353 in Repton, Derbyshire, England

Thomas of Brotherton, 1st Earl of Norfolk, b. 1 June 1300 in Brotherton, Yorkshire, m. Mary de Brewes, bef. 4 April 1336, d. 4 August 1338

Father: Edward I "Longshanks", King of England, b. 17 June 1239 in Westminster, Middlesex, England, d. 7 July 1307 in Burgh on Sands, Carlisle, England, He became King of England, 20 November 1272 in Palestine, He was crowned King of England, 19 August 1274 in Westminster Abbey, London, Middlesex, England
Mother: Margaret of France
Spouse: Alice de Hales, d. bef. October 1330
Father: Sir Roger de Hales
Mother: Alice

Children:

  1. Edward of Norfolk, b. ca. 1320, m. Beatrice Mortimer, aft. 29 May 1328, d. bef. 9 August 1334
  2. Margaret, Duchess of Norfolk, b. ca. 1320, m. John de Segrave, 4th Baron Segrave, 1335, m. Walter de Mauny, bef. 30 May 1354, d. 24 March 1399, bur. in Grey Friars Church, London, England
  3. Alice of Norfolk, b. ca. 1324, m. Sir Edward de Montagu, 1st Baron Montagu, bef. 29 August 1338, d. ca. 30 January 1352 in Bungay, Suffolk, England