| Surname | Individuals |
|---|---|
|
Ydsma
van Ydsma |
1 1 2 |
|
Ydsma (Ytsma, Idsma)
|
1 |
|
Ydtsma
|
2 |
|
Yelsema, Jelcama, Jellinga
|
1 |
|
Yntesdr
|
1 |