Mark 1:30

30 And the mother-in-law of Simon lay in a fever. And straightway they speak to him about her.

Mark 1:30 Meaning and Commentary

Mark 1:30

But Simon's wife's mother lay sick of a fever
"A great fever", Luke says, ( Luke 4:38 ) ; a very violent one, which threatened with death, and must be very dangerous to an old person; (See Gill on Matthew 8:14),

And anon they tell him or her;
for it seems, that not as soon as he came into the house, but some time after, when he had sat awhile, and rested himself after his fatigue in preaching; they acquainted him with her case, and beseeched him to look upon her, and restore her: this was done, either by Simon and Andrew, or by some others of their friends that were in the house; who having either seen, or heard of his dispossessing the unclean spirit, might rightly conclude he had power to remove a fever.

Mark 1:30 In-Context

28 And his fame went out straightway into the whole region of Galilee around.
29 And straightway going out of the synagogue, they came with James and John into the house of Simon and Andrew.
30 And the mother-in-law of Simon lay in a fever. And straightway they speak to him about her.
31 And he went up to [her] and raised her up, having taken her by the hand, and straightway the fever left her, and she served them.
32 But evening being come, when the sun had gone down, they brought to him all that were suffering, and those possessed by demons;
The Darby Translation is in the public domain.