Berend Boonstra

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- 1 Berend Boonstra [1]
Stientje Bremmer
- 2 Clara Stientje Boonstra [1.1]
b. 30 Apr 1941
Jan Hendrik van Osnabrugge b. 28 Apr 1938
- 3 Jan Hendrik van Osnabrugge [1.1.1]
b. 21 Mar 1962 d. 19 Apr 1969
- 3 Robert van Osnabrugge [1.1.2]
b. 23 Mar 1964
- 3 Jan Hendrik van Osnabrugge [1.1.1]
- 2 Clara Stientje Boonstra [1.1]