Family: William 11 De Ros, Brn Ingmanthorpe,sir / agatha agnes de Clare (F1399)
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Male
William 11 De Ros, Brn Ingmanthorpe,sir
Birth Abt 1244 Ingmanthorpe, Penistone, West Riding, Yorkshire, England 
Death Bef 28 May 1310 Ingmanthorpe,York,England Burial Church Of Grsy F, , Yorkshire, England Marriage Father William 1 De Ros, Baron Hamlake MP,LORD HELMSLEY,SIR | F1406 Group Sheet Mother Lucia [Joan] Fitzpiers, Baroness of Ingmanthorpe | F1406 Group Sheet
Female
agatha agnes de Clare
Birth 1224 Cumberland,England Death 26 Dec 1261 Burial Father Gilbert de Clare, Earl Gloucester & Hertford,Lord Clare MCS | F992 Group Sheet Mother Isabel Marshall | F992 Group Sheet