A to H, eight members of a family sit around a circular table. The following information is known about them: There are three married couples in the family. E is third to the right of B, and exactly two persons sit between G and E. C is to the right of his grandson. F is the son-in-law of D and his daughter is A who sits to the left of her aunt E, who is opposite D. G and E are sisters-in-laws. H is unmarried, while F has no siblings. Each couple has at least one child.