Owain Rowley-Conwy, 10th Baron Langford British peer (b. 1958) Parents Grete von Freiesleben Geoffrey Rowley-Conwy, 9th Baron Langford Children Magdalene Guinevere Rowley-Conwy Thomas Alexander Rowley-Conwy Siblings John Seymour Rowley-Conwy Peter Alexander Rowley-Conwy Charlotte Susan Gabrielle Rowley-Conwy Christopher Geoffrey Hugh Rowley-Conwy Partners Joanna Featherstone