Thank you so much.
Yes indeed he married a French girl while in Mauritius. Marie Josephine Furteaux. I actually have the marriage as 3 October 1811.
But no record then I have.
Cornelia b 1813 in Maurtius
Charlotte abt 1815 have not found a birth
Emma christened 2 feb 1817 in Cawnpore and D. in Bengal the next year.