In the 1901 census they are under the name of Mitchell.
On the voyage Alice says her mother is Jane Trigg but I found this marriage which is a possible
Marriages Jun 1893 (>99%)
Figg Jane Dorking 2a 311
Kichel Arthur Dorking 2a 311
The children I have found are
William b abt 1893 Frear Green Surrey ?
Hannah b abt 1895 Northchapel, Surrey
Charlotte (Lottie) b abt 1897 Dorking
Edith b abt 1902 Lodsworth
Dorothy (Dolly) b abt 1905 Broadbridge Heath
Alice b abt 1907 Horsham
Winnie b abt 1909 Cranbrook,Kent
Charles Timothy b abt 1912 Horsham
Emily J F b abt 1915 Horsham