[relationship] (2 [relationship links])
Valerie Beevor [is]
[[a niece] [of the [nth (generation)] generation] of Marvin Burk].
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[indeed,]
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William Knowles Burk
(1 [relationship link])
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Clara C. Coryell
(1 [relationship link])
[are] [at the same time]
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[[the parents] of Marvin Burk]
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[[ancestors (some)] [of the [nth (generation)] generation] of Valerie Beevor]