Rees Llewellyn Welsh industrialist (1851–1919) Parents Elizabeth Jones David Llewellyn Children Rees Thomas Llewellyn Sir David Llewellyn, 1st Baronet Morton Howell Llewellyn Anne Matilda Llewellyn William Morgan Llewellyn Griffith Llewellyn Walter Powell Llewellyn Siblings David Llewellyn Elizabeth Llewellyn Griffith Llewellyn Partners Elizabeth Llewellyn