Ray Henry Venn (1838-1923) (1838–1923) Parents Martha Sykes Henry Venn Children Edith Margaret Venn Lindsay Venn Henry Straith Venn Arthur Dennis Venn Avis Katherine Venn Frances Louisa Venn Lindsay Richard Venn Janet Mary Venn Siblings John Venn Partners Isabel Louisa de Butts Louisa Wardlaw-Ramsay