1. RICHARD¹ DE COGAN was born between 1083/4 and 1150, and died between 1143 and 1260. He married (AJL-3) BASILIE DE RIDELSFORD, daughter of (AJL-1) Walter and (Q-69) Amabilis (FITZ HENRY) DE RIDELISFORD. ^[1]
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JOHN2 DE COGAN, b. about 1154; d. about 1230; m. (AID-4) MARIE DE PRENDERGAST, b. about 1154, daughter of (AID-3) Sir Gerald and Maud (WALTER).

2. JOHN² DE COGAN (Richard¹), son of (1) Richard¹ and (AJL-3) Basilie (de RIDELSFORD) DE COGAN, was born about 1154, and died between 1194 and 1274. He married (AID-4) MARIE DE PRENDERGAST, daughter of (AID-3) Sir Gerald and Maud (WALTER), who was born about 1154. ^[1]
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JULIANA3 DE COGAN, b. in 1195; d. about 1280; m. in 1247 (AGD-6) MAURICE FITZ GERALD, b. in 1190, d. in Youghal Monastery, Ireland on 20 May 1257, son of (AGD-5) Gerald and (EU-2) Eva (de BERMINGHAM) FITZ MAURICE.

3. JULIANA³ DE COGAN (John², Richard¹), daughter of (2) John² and (AID-4) Marie (de PRENDERGAST) DE COGAN, was born in 1195, and died between 1248 and 1305. She married in 1247, (AGD-6) MAURICE FITZ GERALD, son of (AGD-5) Gerald and (EU-2) Eva (de BERMINGHAM) FITZ MAURICE, who was born in 1190, died on 20 May 1257 in Youghal Monastery, and was buried in Youghal Monastery.
Children: See (AGD-6) Maurice FITZ GERALD