John was a son of Capt. John Blacker and his wife Elizabeth Orpen. He was cremated on 13 May 1937; his will was proved in London on 28 June.
He was a civil engineer; several of his children were born in Spain.
Have you taken a DNA test? If so, login to add it. If not, see our friends at Ancestry DNA.
Featured National Park champion connections: John is 12 degrees from Theodore Roosevelt, 15 degrees from Stephanus Johannes Paulus Kruger, 16 degrees from George Catlin, 18 degrees from Marjory Douglas, 26 degrees from Sueko Embrey, 17 degrees from George Grinnell, 22 degrees from Anton Kröller, 20 degrees from Stephen Mather, 21 degrees from Kara McKean, 22 degrees from John Muir, 11 degrees from Victoria Hanover and 29 degrees from Charles Young on our single family tree. Login to find your connection.