The large oil paintings will be part of next week’s January sale at Hansons Auctioneers’s London showroom, where they are expected to fetch between £8,000 and £10,000 ($9,870 and $12,340) each.

Gribbon’s 2023 solo show, “A Domestic Cast,” at Massimo De Carlo gallery in Hong Kong, featured, among her unflinchingly intimate large-scale portraits of her wife, the musician Mackenzie ...