Carl and Karin Larsson had eight children (Suzanne (1884), Ulf (1887, who died at 18), Pontus (1888), Lisbeth (1891), Brita (1893), Mats (1894, who died at 2 months), Kersti (1896) and Esbjörn (1900)) and his family became Larsson's favorite models. Many of the interiors depicted were the work of Karin Larsson, who also worked as an interior designer. (https://howlingpixel.com/wiki/Carl_Larsson)