| Birth | 1819 | Wilster, Schleswig-Holstein, Germany | | | |
| Birth | Abt 1820 | Duchy of Hostein, Germany | | | |
| Residence | 1851 | Relationship: Head - Hartlepool, Durham, England, United Kingdom | | | |
| Residence | 1861 | Relationship: Head - Hartlepool, Durham, England, United Kingdom | | | |
| Residence | 1871 | Relationship: Head - Hartlepool, Durham, England, United Kingdom | | | |
| Residence | 1881 | Marital Status: Married; Relationship to Head: Head - Hartlepool, Durham, England, United Kingdom | | | |
| Residence | 1891 | Relation to Head of House: Head - Norton, Durham, England, United Kingdom | | | |
| Death | 17 May 1892 | Norton, Durham, England, United Kingdom | | | |
| Alt name | | Peter Otto Eduard Trechmann | | | |