大家庭的成员由血缘(祖父母、父母、孩子、兄弟、姐妹等)或婚姻(丈夫、妻子、婆婆等)联系起来。

The members of an extended family are related by blood (grandparent, parents, children, brothers, sisters, etc.) or by marriage (husbands, wives, mothers-in-law, etc).

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福特兄弟假扮为杰西的堂弟，实则与杰西无任何血缘关系。

The Ford brothers posed as Cousins of Jesse James, but actually were not related to Jesse at all.

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兄弟及表兄弟有血缘关系联系着。

Brothers and Cousins are united by ties of consanguinity.

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