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.
what did john do for Thomas Aquinas?
It was also during his study at Naples that Thomas came under the influence of John of St. Julian, a Dominican preacher in Naples
what did Thomas Aquinas do in rome and paris?
In an attempt to prevent Theodora's interference in Thomas's choice, the Dominicans arranged to move Thomas to Rome, and from Rome, to Paris
what happened next Thomas Aquinas after the Domicans moved Thomas Aquinas to Rome and to Paris to prevent choice intereference?
However, while on his journey to Rome, per Theodora's instructions, his brothers seized him as he was drinking from a spring and took him back to his parents

Question: why was he held prisoner?
Self-contained rewrite: why was Thomas Aquinas held prisoner?