| Descendants of Jacob Cornelisz BLOK and Guurtjr Gerrits KEIJZERName ListNo Surname, <, A, [B], C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T, U, V, W, X, Y, Z,[BAK-BURM]
 
 
 Key: S=as a Spouse, C=as a Child, P=as a Parent 
| Names | Born | Died |  
| BAK |  |  |  
| Trijntje BaartsP | born January 23, 1780 | died February 6, 1857 |  
| BAKKER |  |  |  
| HaasjeP |  |  |  
| KlaasP |  |  |  
| Maria Johanna EliszbethP | born 1889 | died 1984 |  
| NeeltjeS | born 1894 |  |  
| BERGHUIS |  |  |  
| GijsbertusS | born 1914 |  |  
| GijsbertusP |  
| BERGSMA |  |  |  
| Alida ElisabethC | born May 1938 | died January 8, 1938 |  
| JacobS |  
| Rinke ... DNAC |  
| SonC |  
| TjalkeP |  
| BIJSTER |  |  |  
| JelleP |  
| RalfC |  
| RonaldS |  
| Sven ... DNAC |  
| BLOK |  |  |  
| CornelisP |  
| Jacob CorneliszP | born 1705 | died November 4, 1749 |  
| Jan JacobsC | born January 22, 1741 |  |  
| Marijtje JansC | born August 1760 | died March 15, 1827 |  
| BOGTMAN |  |  |  
| MaartjeP | born May 13, 1862 | died October 15, 1927 |  
| BOL |  |  |  
| ElizabethP | born February 15, 1880 |  |  
| BOSMAN |  |  |  
| Aleida JohannaP |  
| BOUWMAN |  |  |  
| Louise JohannaP |  
| BRAMMER |  |  |  
| GrethaS |  
| JohannesP | born 1896 |  |  
| BREEUWER |  |  |  
| GeertjeP |  |  |  
| BROEDERS |  |  |  
| BaaltjeP |  
| BROUWER |  |  |  
| ElisabethP |  
| BURM |  |  |  
| Claudina Anna HendrikaS |  
 |