Mark 8:5

8:5 He asked them, “How many loaves do you have?” They replied, “Seven.”

Mark 12:20

12:20 There were seven brothers. The first one married, and when he died he had no children.

Mark 12:22

12:22 None of the seven had children. Finally, the woman died too.

tn Grk “took a wife” (an idiom for marrying a woman).