King James Version (KJV) - Mark 1:30 >

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

Berean Study Bible (BSB) - Mark 1:30 >

Simon’s mother-in-law was sick in bed with a fever, and they promptly told Jesus about her.

Textus Receptus (TR) - Mark 1:30 >

Ἡ δὲ πενθερὰ Σίμωνος κατέκειτο πυρέσσουσα, καὶ εὐθέως λέγουσιν αὐτῷ περὶ αὐτῆς·