Walter Trevelyan English cricketer and barrister (1821–1894) Parents Raleigh Trevelyan Elizabeth Grey Children Willoughby Fenwick Trevelyan Herbert Trevelyan Constance Helena Trevelyan Walter Blackett Trevelyan Siblings unknown daughter Trevelyan Constance Trevelyan Helena Trevelyan Thornton Raleigh Trevelyan Raleigh Trevelyan Partners Helena Caroline Trevelyan