Conversation so far:
when was Thomas Aquinas born?
He was born in 1225
where was Thomas Aquinas born?
He was born in Roccasecca, Kingdom of Sicily
are any family members listed for Thomas Aquinas?
His father was Landulf of Aquino. His mother was Theodora. His brother was Sinibald
where did Thomas Aquinas go to school?
In early 1239, Landulf and Theodora had Thomas enrolled at the studium generale (university) recently established by Frederick in Naples.
who were some of Thomas Aquinas' influences?
Thomas was introduced to Aristotle, Averroes and Maimonides, all of whom would influence his theological philosophy
what was Thomas Aquinas like in early life?
what did Thomas Aquinas do with the dominican order?
At the age of nineteen Thomas resolved to join the recently founded Dominican Order.

Question: what did john do for him?
Self-contained rewrite: what did john do for Thomas Aquinas?