[relationship]

Marie Catherine ARPIN [is] [[a niece] [of the [nth (generation)] generation] of Jean François LEDUCQ].

[indeed,]
- Théodore LEDUCQ (1 [relationship link]).
[is] [at the same time]
- [ 父 of Jean François LEDUCQ]
- [[an ancestor] [of the [nth (generation)] generation] of Marie Catherine ARPIN]

Théodore LEDUCQ 1723-1794
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Jean François LEDUCQ 1761		Marie Reine LEDUCQ 1768 &1789 Alexandre Joseph ARPIN 1768-1825
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		Jean Baptiste ARPIN 1791-1860 &1816 Angélique MAIRESSE 1793-1853
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		Abel ARPIN 1817-1890 &1843 Marie Rosalie CATTELAIN 1821-1877
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		Marie Catherine ARPIN 1857

[total]: 1 [relationship link]