Henry Blennerhassett (died 1677) (d. 1677) Parents Deborah Mervyn Sir Leonard Blennerhassett Children Mary Blennerhassett Deborah Blennerhassett Siblings Lucy Blennerhassett Catherine Blennerhassett Audley Blennerhassett Elizabeth Blennerhassett Leonard Blennerhassett Roger Maguire Partners Phoebe Hume