Adelaide Alexandrine Koekkoek (1838 – 1919) was a German still life painter from Kleve.

Koekkoek was born as the fourth daughter of five to two painters. Her Dutch father Barend Cornelis Koekkoek had built a reputation as a landscape artist specializing in finely articulated country scenes before moving to Kleve with her mother Elise Thérèse Koekkoek-Daiwaille.Stammbaum Koekkoek on Museum B.C. Koekkoek Haus website, Kleve She became a still life painter in the style of her mother and grandfather. Her sister Marie Louise painted landscapes.

Koekkoek married the widower of her sister Betsie in 1880 and died in Koblenz.Toechter Koekkoek on Koekkoek Haus website, Kleve

Her sisters were: Elise Therese Koekkoek (1834 – 1835), died in infancy Jeanette Augustine (Annette) Koekkoek (1836 – 1915), married in 1867 Anna Elisabeth (Betsie) Koekkoek (1837 – 1878), married in 1866 to Hugo Meyer, stationmaster in Koblenz Marie Louise (Marie) Koekkoek (1840 – 1910), the first to marry in 1859, she also became a painter

See also Koekkoek family

References