Ursula Tyrwhitt1 
From before 13 November 1581, her married name became Sheffield.
Children of Ursula Tyrwhitt and Edmund Sheffield, 1st Earl of Mulgrave
- Sir John Sheffield+2 d. Dec 1641
- unknown Sheffield1 d. Dec 1641
- unknown Sheffield1 d. Dec 1641
Sir John Sheffield1 
Children of Sir John Sheffield and Grizel Anderson
- Hon. Margaret Sheffield+3
- Edmund Sheffield, 2nd Earl of Mulgrave+2 b. c Dec 1611, d. 24 Aug 1658
Sir Erasmus Norwich, 3rd Bt.
He gained the title of 3rd Baronet Norwich.
- [S18] Matthew H.C.G., editor, Dictionary of National Biography on CD-ROM (Oxford, U.K.: Oxford University Press, 1995). Hereinafter cited as Dictionary of National Biography.
Grizel Anderson1
Her married name became Sheffield.
Children of Grizel Anderson and Sir John Sheffield
- Hon. Margaret Sheffield+3
- Edmund Sheffield, 2nd Earl of Mulgrave+2 b. c Dec 1611, d. 24 Aug 1658
Isabelle Vrouwe van Houffalize1 
Kunigarde von Blieskastel1 
Children of Kunigarde von Blieskastel and Engelbert I Graf von der Mark
- Sophie von der Mark1 d. 1302
- Agnes von der Mark+1 b. 1250, d. 1295
- Eberhard I Graf von der Mark+1 b. 1255, d. 30 Sep 1308
- Richarde von der Mark1 b. 1255
Sophie von der Mark1 
Johann III Graf von Reifferscheidt-Bedburg1 
Agnes de Walcourt1
Child of Agnes de Walcourt and Eberhard II von der Mark Edelherr von Arenberg
- Ludwig I Graf von der Mark und Arenberg+1 b. 1420, d. 1498
Ludwig II von Ziegenhain Edelherr von Nidda1 