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Name, with Scriptural citation, the wife of any other apostle. Five points for each. Take as much time as you like.

The fact that Peter's mother-in-law served Jesus and the apostles does not mean that Peter's wife or anyone else did not serve them. It's not an either/or situation and your logic is faulty. Her actions are probably mentioned to emphasize that Jesus' healing was instantaneous and complete. In other words, there was no "getting well" period -- she was instantly as good as new.
There are no scriptural citations as to the names of any of the apostles wives. However, Eusebius in Historia Ecclesiastica III says that the apostle Philip had three daughters and that the grandsons of Judas Thaddeus were sent to Rome for martyrdom, but sent back when the judges saw their calloused hands.
According to Catholic Saint's Online:

"St. Petronilla is believed to have been the daughter of St. Peter. Until the XVII Century, she was called his physical daughter, and since then, she has been thought a spiritual daughter who was consecrated to his service."

Interesting, isn't it, how the early church viewed her as a physical daughter until pretty late in the game. If you were to do a bit of research, you would find out that some of these "traditions" aren't as old as you think they are.

It seems that it is you are into the either/or business. But if you are into early Church history then you must surely know that virginity was always regarded as a better choice than marriage. That is one way that Christians were distinguished from rabbinical Jews.Given that Christianity was an apocalyptic faith This view of course became really dominant after the time of St. Anthony and the growth of monasticism. But the view of the early Church was that the world was dying. So why get so attached to such things as family?

1. Assuming for the sake of argument that there ever was a St. Petronilla and further that she was a daughter of Peter, no one denied that Peter was EVER married. Having a mother-in-law suggests that one either is or has been married. It certainly does not require one to be currently married. Make no assumptions about a world with neither modern surgery nor antibiotics. Plenty of people were widowed.

2. Analogy as to Phillip and as to Jude Thaddeus. Same reasoning as above in 1.