_Richard DE CLARE ____ | _Gilbert DE CLARE ___| | | | |_Amice OF GLOUCESTER _ | _Richard DE CLARE ___| | | | | ______________________ | | | | |_Isabel MARSHAL _____| | | | |______________________ | | |--Thomas DE CLARE | | _Roger DE LACY _______ | | (1171 - 1211) | _John DE LACY _______| | | (1192 - 1240) | | | |_Maud DE CLERE _______ | | (1175 - 1226) |_Maud DE LACY _______| (1188 - 1207) | | _Robert II DE QUINCY _ | | (1172 - 1217) |_Margaret DE QUINCY _| (1208 - 1266) | |_Hawise of CHESTER ___+ (1180 - 1241)