Matthew 8:14

Καὶ ἐλθὼν ὁ Ἰησοῦς εἰς τὴν οἰκίαν Πέτρου, εἶδε τὴν πενθερὰν αὐτοῦ βεβλημένην καὶ πυρέσσουσαν·

And when Iesus came into Peter’s house, he saw his (Peter’s) mother-in-law lying down sick with a fever.