1894-1977
| Everardus Sjoerd IDZERDA | |
| B: | 23 Mar 1894 | 
| Sitobondo | |
| D: | 25 Dec 1977 | 
| Drachten | |
 1910-1995
| Antonetta Maria van den Bemd | |
| B: | 22 May 1910 | 
| Semarang | |
| D: | 12 Jan 1995 | 
| Bandoeng | |
 1860-1932
| Aurelius IDZERDA | |
| B: | 29 Nov 1860 | 
| Bolsward | |
| D: | 16 Aug 1932 | 
| Lawang | |
 1874-1962
| Petronella Theresia Retèl | |
| B: | 2 Jun 1874 | 
| Kepahiang | |
| D: | 27 Feb 1962 | 
| Zwollerkerspel | |
 1835-1899
| Trijntje Sijbrandus van Campen | |
| B: | 14 Oct 1835 | 
| Bolsward | |
| D: | 6 Mar 1899 | 
| Amsterdam | |
 1835-1912
| Sjoerd Aurelius IDZERDA | |
| B: | 31 Oct 1835 | 
| Nijland (Wymbritseradeel), Friesland, The Netherlands | |
| M: | 20 Nov 1859 | 
| Bolsward, Friesland, The Net herlands | |
| D: | 1912 | 
| Amsterdam | |