Francis Beaufort Irish hydrographer and naval officer (1774-1857) (1774–1857) Parents Mary Waller Daniel Augustus Beaufort Children Rosalind Beaufort Lady Strangford Sophia Beaufort Alfred Beaufort Daniel Augustus Beaufort William Beaufort Francis Lestock Beaufort Siblings Henrietta Beaufort Frances Anne Edgeworth William Louis Beaufort Louisa Beaufort Partners Honora Beaufort Alicia Magdalena Beaufort