Maurice Hennessy1 
He was awarded the Officer, Legion of Honour.1
Children of Maurice Hennessy and Viviane du Pontavice des Renardières
- Irène Hennessy+1
- James Hennessy+2 b. 1923, d. 1995
- Raymond Hennessy+1 b. 1926, d. 26 Sep 1965
- Marie-Alice Hennessy1 b. 1928, d. 1999
- Evelyne Hennessy1 b. 1930
Comte unknown du Pontavice des Renardières1
Child of Comte unknown du Pontavice des Renardières
Viviane du Pontavice des Renardières1 
She was awarded the Croix de Guerre.1 From 1923, her married name became Hennessy.
Children of Viviane du Pontavice des Renardières and Maurice Hennessy
- Irène Hennessy+2
- James Hennessy+2 b. 1923, d. 1995
- Raymond Hennessy+2 b. 1926, d. 26 Sep 1965
- Marie-Alice Hennessy2 b. 1928, d. 1999
- Evelyne Hennessy2 b. 1930
James Hennessy1 
He was educated at Ecole Polytechnique, Palaiseau, Essonne, France.1
Children of James Hennessy and Lucie Flornoy
- Maurice Hennessy+2 b. 1950
- Anne Hennessy+2 b. 1952
- Frédéric Hennessy+2 b. 1953
- Isabelle Hennessy+2 b. 1958
Olivier Flornoy1
Child of Olivier Flornoy
- Lucie Flornoy+2 d. 2001
Lucie Flornoy1 
From 1949, her married name became Hennessy.
Children of Lucie Flornoy and James Hennessy
- Maurice Hennessy+2 b. 1950
- Anne Hennessy+2 b. 1952
- Frédéric Hennessy+2 b. 1953
- Isabelle Hennessy+2 b. 1958
Maurice Hennessy1
He lived in 2003 at Logis d’Uffaut, Saint Brice, France.1
Children of Maurice Hennessy and Cathérine de Ladoucette
- Marie Hennessy2 b. 1977
- Pauline Hennessy2 b. 1978
- Alice Hennessy2 b. 1982
Baron François de Ladoucette1
Child of Baron François de Ladoucette
Cathérine de Ladoucette1
From 1976, her married name became Hennessy.
Children of Cathérine de Ladoucette and Maurice Hennessy
- Marie Hennessy2 b. 1977
- Pauline Hennessy2 b. 1978
- Alice Hennessy2 b. 1982
Marie Hennessy1
