[relationship] (2 [relationship links])
Marvin Burk [is]
[[an uncle of Gerrie Burk].
-
[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]
-
[[grand-parents] of Gerrie Burk]
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[[the parents] of Marvin Burk]