Sir David Llewellyn, 1st Baronet Welsh industrialist (1879–1940) (1879–1940) Parents Elizabeth Llewellyn Rees Llewellyn Children William Herbert Rhydian Llewellyn Margaret Elaine Llewellyn Sir Rhys Llewellyn, 2nd Baronet Elizabeth Aileen Maud Llewellyn David Llewellyn Sir Harry Llewellyn, 3rd Baronet Magdalene Clare Llewellyn Marjorie Joyce Llewellyn Siblings William Morgan Llewellyn Morton Howell Llewellyn Walter Powell Llewellyn Rees Thomas Llewellyn Griffith Llewellyn Anne Matilda Llewellyn Partners Magdalene Anne Harries