expression, ichidan verb
to be accompanied by one's family
Fixed expression meaning to bring or be accompanied by one's wife and children, often used in formal or literary contexts.
彼は妻子を携えて海外に赴任した。
He went abroad to his new post, accompanied by his wife and children.
The expression is composed of 妻子 (wife and children) and 携える (to carry or bring along). The exact historical derivation is uncertain, but it is a conventional literary phrase.