| Otto Hendrik Mekel (1868 - 1939) |
|
| Gazina Alida Martens (1879 - 1939) |
| Harmannus Kornelis Jan Timmer | Gazina Pieterina Mekel |
| *. 21 aug 1900, Winsum †. 9 mei 1962, Winsum [ ]. ber. opl. gd. |
*. 5 nov 1902, Winsum †. 12 feb 1975, Winsum [ ]. ber. opl. gd. |
| Alida Hendrina Timmer Jan Otto Timmer |