Hi Laura, I'll copy and paste the relevent part of the family tree. It does seem odd though that i dont think there could be 2 Francis Samuel Arndt's......i didnt compose the family tree so im not sure where the person got the information from.....possible it could be incorrect.
AGNES CECILIA ALICE PEREIRA (b. August 12, 1862; d. April 8, 1931; Colombo, WP, Ceylon). She married
[A] Charles John Parry (d. in Ceylon) [B] Francis Samuel Arndt (b. January 28, 1856 Jaffna NP Ceylon; d. June 17, 1902 Colombo WP, Ceylon.Son of George Arndt and Eliza Toussaint) on January 12, 1885.They had
1. Rosaline Arndt (b. August 22, 1886; d. August 27, 1886) died in infancy Colombo, Ceylon
2. Stella Muriel Arndt (b. August 14, 1887; d. January 11, 1922) Colombo, Ceylon.She married Arthur Percival Leopold Rowlands (b. October 3, 1885, son of Richard Rowlands and Charlotte Don) Managing Director and Founder - together with F.C. Gibbs - of Rowlands Ltd., at Michael’s and All Angels’ Church, Colombo Ceylon on December 26, 1911. 3. Gertrude Florence Arndt (b. February 1, 1889; d. December 7,1912). She married John Richard Edward Hobbs (b. May 28, 1880) on August 6, 1907 at Michael’s and All Angels’ Church, Colombo Ceylon.
4. Edward Wilfred Arndt - Doctor, L.MS (Ceylon), LRCP (Lond); MRCS (Eng) (b. September 30, 1891 Colombo, Ceylon; d. Perth, Australia).He married Maria Florence Catherine de Rooy (b. February 5, 1905, Colombo, Ceylon; daughter of Hendrikus de Rooy and Mary Strantenburg) at St. Mary’s Bambalapitiya on September 24, 1927.
5. Alice May Arndt (b. July 11, 1894) Colombo, Ceylon
6. Francis Arndt(b. March 4, 1896) Colombo, Ceylon
7. Ruth Vivienne Arndt (b. December 13, 1898) Colombo, Ceylon
I hope that helps..........it would be interesting if Francis Samuel Arndt had two wives.....