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                            _Bronislaw I BIRUTA _|
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                           |                              
 _Bronislaw II BIRUTA _____|
| (1872 - 1937)            |
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|                          |_____________________|
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|--Helena BIRUTA 
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|_Maria CIERKUN (CZERKON) _|
  (1887 - 1960)            |
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                           |_____________________|
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