+--John Mirgain 
   +--Peter Mirgain  (29 June 1834-8 August 1916)
   |  +--Susan Pearson 
+--William Henry Mirgain  (4 April 1873-2 June 1945)
|  |  +--Henry Danenberg  (1817-)
|  +--Dora Danenberg  (4 February 1849-1 October 1924)
|     +--Louise Danenberg  (1828-)
William Mirgain  (31 December 1916-16 March 1963)
|  +--Frederick Mueller  (10 October 1841-18 April 1915)
+--Louise D Mueller  (11 Aug 1880-Jul 1970)
   +--Augusta L Keune  (10 May 1850-4 July 1918)