Acquisition registration for 2 people

Acquisition registration. Registered owner or plantation: Knobbelsdorff Gerhardina A. U. von. Registered people: Serbijn [male; mother: unknown; birth date/year in register: 1815], Alphonso [male; mother: unknown; birth date/year in register: 1815]. The register states: Aangekocht of the Widow Riman 1850 17 August. The date used here is the mutation or registration date, which may differ from the actual date of the event. Archival reference: Suriname Slave Register inventory 14, folio 837.