| George Dettmer | Birth details unknown, but probably Germany about 1750. Married Ann. Founded the piano firm in his name. His son: |
| William Dettmer | born 1775 London.
Piano
maker. Married (1) Mary Betts in Soho in 1797. She died in March 1809. Children (2) Phillis Harper (née Betts) in Nov 1809. Children Partner in George Dettmer & Son, pianoforte makers. He designed and patented parts of pianos. His firm was well known until recently. Migrated to N.S.W. in Julindur in 1849 , and he opened a branch in Sydney. Died Sydney 20 Feb 1858. His children: |
| William Gottleip Dettmer (1) | baptized 14 Jan 1798, St Pancras, London. Probably migrated to USA. |
| Mary Ann Dettmer (1) | baptized 4 Aug 1799, St Pancras, London. |
| George Dettmer (1) | baptized 11 Jul 1802, St Pancras, London. Probably migrated to USA. |
| Caroline Dettmer (1) | born 1806,
married (1)
John Ashton Green 29 Sept 1823 in Westminster (2) Christopher W.May 15 June 1839 in Sydney, N.S.W. died Windsor, N.S.W. 16 June 1877 |
| Elizabeth Dettmer (1) | born St Pancras
1803; married Dr
John Jackson. Died September 1845. Four children. |
| Henry Dettmer (2) Edward Dettmer (2) Charlotte Augusta Dettmer (2) | born Sept 1811 born 1816 born 1817; married William Whitmore |
| The Dettmer name
continued
in London. I have a number of references, but it is proving difficult to delineate families. See information and images of Dettmer pianos. |