Family: 2nd Earl of Lincoln John de Lacy / Countess of Lincoln Margaret de Quincy (F2734)
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Male
2nd Earl of Lincoln John de Lacy
Birth 1192 Lincoln, Lincolnshire, England 
Death 22 Jul 1240 Burial Cheshire, England Marriage Father Roger de Lacy | F2741 Group Sheet Mother Lady of Hay Matilda de Clere | F2741 Group Sheet
Female
Countess of Lincoln Margaret de Quincy
Birth 1208 Death Mar 1266 Burial Clerkenwell, Middlesex, England Father Robert de Quincy | F1566 Group Sheet Mother 1st Countess of Lincoln Hawise de Kevelioc | F1566 Group Sheet
Female
Maud de Lacy
Birth 25 Jan 1223 Lincoln, Lincolnshire, England Death 10 Mar 1289 Lincoln, Lincolnshire, England Burial Spouse Eighth Earl of Clare, Sixth Earl of Hertford, 6th Earl of Gloucester Richard de Clare, IV | F7420 Marriage 2 Feb 1238