Markus 9:17

9:17 A member of the crowd said to him, “Teacher, I brought you my son, who is possessed by a spirit that makes him mute.

Markus 9:21

9:21 Jesus ¹  asked his father, “How long has this been happening to him?” And he said, “From childhood.

[9:21]  ¹ tn Grk “He”; the referent (Jesus) has been specified in the translation for clarity.