# | Children | Name | Born | Died | Father | Mother | ||
---|---|---|---|---|---|---|---|---|
1 |
| b. 7 Aug 1894 | d. 16 Oct 1904 | Baron Daniël Adrian Hector Willem Sixma van Heemstra | Martha Margarethe Lehman | |||
2 |
| b. 27 Dec 1898 | d. 23 Jul 1916 | Baron Daniël Adrian Hector Willem Sixma van Heemstra | Martha Margarethe Lehman | |||
3 |
| b. 21 Dec 1899 | d. 15 Feb 1920 | Baron Daniël Adrian Hector Willem Sixma van Heemstra | Martha Margarethe Lehman | |||
4 |
| b. 29 Dec 1903 | d. 5 May 1986 | Baron Daniël Adrian Hector Willem Sixma van Heemstra | Martha Margarethe Lehman |