Tanneguy IV Le Veneur 
Tanneguy IV Le was born in 1700. Tanneguy IV Le's father was Jacques Tanneguy III Le Veneur and his mother was Michelle Gabriele De Bagnols. His paternal grandparents were Francois Le Veneur and Anne Favier. He was an only child. He died at the age of 77 in 1777.General Notes
SOURCES: "Ancestors/Descendants of Royal Lines" (Contributors: Manuel Abranches de Soveral, Reynaud de Paysac, H.R. Moser <Burke Peerage>), O.Guionneau, L.B. de Rouge, E. Polti, A.Terlinden <Genealogy of the existing British Peerage, 1842, and E. Lodge>) http://www.geneastar.org.
‌Tanneguy IV Le and Michelle Julie D' were married in a religious ceremony in 1730. They had a son named Francois Tanneguy V Le.
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Children
Francois Tanneguy V Le Veneur
Francois Tanneguy V Le was born in 1739. He died at the age of 72 in 1811.