John William Foster , MP the elder, John William, M. P., b. in 1745, m. Rebecca, dau. of Hamilton McClure, Esq., of Dublin, and had Fredrick John of Ballymascanlan, Co. Louth, J. P. and D. L. ; Louisa Jane m. to Thomas, second Lord Plunket; Elizabeth and Emily, i Margaret, m. to Stephen Sibthorpe, Esq., of Brownston; ii. Charlotte, m. to Nicholas Foster, Esq., of Tullaghan.
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