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Family Henri I De+ Penthievre & Mahaut De+ Preuilly Click to view Henri I De+ Penthievre & Mahaut De+ Preuilly in the family tree

‌Henri I De+ and Mahaut De+ were married in a religious ceremony on September 19th, 1151 in Mayenne.  They had three sons and a daughter, named Alain I De, Geslin De, Conan I De+ and Nobilis De+.