And now for my questions (and to get my 3 posts up). I guess this may also serve as a sort of summary for other people who come across this thread. These answers are probably in the family tree book being sent to me but I am impatient.
1. Baron Captain Henri Hoener DeMamiel, are these all of his children with Anna Maria
Stanislaus Hoener DeMamiel b.1834 d. 1899
Henry Hoener DeMamiel b. 1840 d. 1916
George Lucas Hoener deMamiel b. 1843 d. 1926
Thomas Gordon Charles Hoener deMamiel b. 1845 d. 1923
Fernanda Margaret Hoener DeMamiel b. 1841 d. ?
Oswald Napoleon William Hoener de Mamiel b. ? d. ?
Ciserina Sophia Hoener DeMamial b. ? d. ?
2. What were the names of his three children with Sarah McDermott?
3. George Lucas Hoener deMamiel, I read he married three times but I only know of the two being to Esther Robina Gibson and Eliza Dunstan/Dunstone. Is there a third?
4. The children of Thomas Gordon Charles Hoener & Catherine Robeson. I have 7 names but I believe there are 11.
5. George Lucas Hoener & Esther Robinia Gibson had three children, Agnes, Georgina b. 1868 (VIC) & Florence. George didn't have any in his second marriage to Eliza but if he did marry a third time did they have any children? I haven't seen any records if they did.
Oswald Napoleon DE MAMIEL was born about 1836. I do not have death info.
Cesarine Sophia Jane DE MAMIEL was born about 1838. Died 1867 in Victoria, British Columbia.
Yes 7 children for Henri Hoener DE MAMIEL and Anna Maria Caroline SWIFT.
3children with Sarah Emma MACDERMOTT:
Gustave Henry Hoener DE MAMIEL
Louis Victor Hoener DE MAMIEL
Emma Fernanda DE MAMIEL
3 wives of George Lucas Hoener DE MAMIEL:
Easther Rosine GIBSON (m 1865 Victoria, Australia)
Eliza OPIE (m 1877 Victoria, Australia)
Emily Filmore STEVENS (m1891 Victoria, Australia)
3 children to last marriage above:
Hoener George William b 1892 Vic, AUS
Ellen Stevens b 1894 Vic, AUS
Lottie Bertha b 1899 Vic, AUS
11 children of TGCH DE MAMIEL and Catherine ROBESON/ROBINSON
Thomas James b 1872 Vic, AUS
Margaret Alice b 1874 Vic, AUS
William Oswald b 1877 Vic, AUS
George Alexander b 1879 Vic, AUS
John Henry b1881 NSW, AUS
Sophia Elizabeth b1882 NSW, AUS
John Edward b 1885 NSW, AUS
Gordon Henry b 1888 NSW, AUS
Caroline Julia b 1890 NSW, AUS
Sydney Stanislas Hoener b 1893 NSW, AUS
Catherine Fernanda b 1898 NSW, AUS
I hope this helps, even if very delayed.