Mark 1:30

Now Simon's mother-in-law was sick [in bed] with a fever. Immediately, Jesus was told about her [condition]

1 Corinthians 9:5

Do we not have the right to take a believing [i.e., a Christian] wife with us [on our preaching tours], just like the rest of the apostles, and the Lord's brothers do [i.e., James, Joseph, Judas and Simon. Mark 6:3], and Cephas [i.e., Peter]?

Mark 5:23

He begged Him earnestly, saying, "My little daughter is about to die; [please] come and place your hands on her so she may be healed and live."

John 11:3

So, the sisters sent [someone] to Him, saying, "Look, Lord, the person you love [i.e., your dear friend, Lazarus] is sick."

James 5:14-15

Is anyone among you sick? [Then] he should call for the elders of the church and they should pray for him, after pouring [olive] oil on him in the name [i.e., by the authority] of the Lord.

Treasury of Scripture Knowledge

Summary

But Simon's wife's mother lay sick of a fever, and anon they tell him of her.

Bible References

Wife's

1 Corinthians 9:5
Do we not have the right to take a believing [i.e., a Christian] wife with us [on our preaching tours], just like the rest of the apostles, and the Lord's brothers do [i.e., James, Joseph, Judas and Simon. Mark 6:3], and Cephas [i.e., Peter]?

They tell

Mark 5:23
He begged Him earnestly, saying, "My little daughter is about to die; [please] come and place your hands on her so she may be healed and live."
John 11:3
So, the sisters sent [someone] to Him, saying, "Look, Lord, the person you love [i.e., your dear friend, Lazarus] is sick."
James 5:14
Is anyone among you sick? [Then] he should call for the elders of the church and they should pray for him, after pouring [olive] oil on him in the name [i.e., by the authority] of the Lord.