John Mark
Mark 1:36ESV·traditional attribution

And Simon and those who were with him searched for him,

Matthew Henry Presbyterian @wholebiblehenry

In these verses, we have, I. A particular account of one miracle that Christ wrought, in the cure of Peter's wife's mother, who was ill of a fever. This passage we had before, in Matthew. Observe, 1. When Christ had done that which spread his fame throughout all parts, he did not then sit still, as some think that they may lie in bed when their name is up.

Commenting on Mark 1:29-39

John Gill Reformed Baptist @doctorgill

And Simon, and they that were with him,.... Peter, and his brother Andrew, together with James and John, followed after him; some time after he was gone; for he privately withdrew from them, so that they might not be aware when he went, nor apprized of his departure, for some considerable time; which when they were, they set out, in diligent search, and eager pursuit...

Albert Barnes Presbyterian @notesbybarnes

Verse 36. And Simon. Simon Peter. They that were with him. The other disciples.