...
         |
      Murrough /O'Brien/ d.1597 
      |
   Dermont /O'Brien/ d.1624 
   |
 Mary /O'Brien/ 
   



O'Brien          Dermont                         d.1624 Parents. Anc. Des. M1. 
O'Brien          Mary                                   Parents. Anc. Des. M1. Michael /Boyle/
O'Brien          Murrough                        d.1573 Parents. Anc. Des. M1. 
O'Brien          Murrough                        d.1597 Parents. Anc. Des. M1. 
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Maintained by Rob Burrowes.

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