Complex sentence: He was born in Plymouth of a half-Irish father and Irish mother, and was educated at Brighton College and at Wadham College, Oxford (Open Classical Scholar) where he came under the influence of W. B. Yeats.
Split into simpler sentences: He was born in Plymouth, of a half-Irish father and Irish mother, and was educated at Brighton College and at Wadham College, Oxford (Open Classical Scholar). There he came under the influence of W. B. Yeats.