MÃE
Ruth Martins de Oliveira Costa - 1919

Avós maternos
(1)Helena Martins - 1898
(2)José Ramos de Oliveira Costa - 1893

Bisavós maternos
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(5)Marianna Costa -
(6)José Ramos de Oliveira Neto -

Trisavós maternos

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Anna Izabel Ramos de Oliveira - 1839
Bento José da Costa Neto - 1827

Tetravós maternos

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Izabel Maria da Costa - 1807
José Ramos de Oliveira - 1800

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Emília Júlia Pires Ferreira - 1810
Bento José da Costa Júnior - 1798

Pentavós maternos

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Ana Maria Teodora Affonso Ferreira - 1772
Bento José da Costa - 1758

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Genoveva Perpétua de Jesus Caldas - 1775
Gervásio Pires Ferreira [1º do nome] - 1765

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Ana Maria Teodora Affonso Ferreira - 1772
Bento José da Costa - 1758

PAI
Dudley de Barros Barreto - 1906