Complex sentence: His son, Unai, was a midfielder who later went into management, notably with Valencia CF and Sevilla FC; his elder brother, Román, was also a midfielder, and the two shared teams at Logroñés.
Split into simpler sentences: His son, Unai, was a professional midfielder who later went into management, notably with Valencia CF and Sevilla FC. Emery's elder brother, Román, was a midfielder, and the two shared teams at Logroñés.