Improve the cohesiveness in the following paragraph.
He was the son of Connor O'Brien and his wife Maire Rua McMahon. In 1692, son entered the Irish House of Commons, sitting for Clare until 1714.
He was the son of Connor O'Brien and his wife Maire Rua McMahon. In 1692, O'Brien entered the Irish House of Commons, sitting for Clare until 1714.