What is "koeman"

Koeman is a Dutch occupational surname. Though the name translates as "cow man" in modern Dutch, it is a derivative, via Kooman, of Koopman (= merchant). People with this name include:

• Martin Koeman (born 1938), Dutch footballer, father of Erwin and Ronald
• Erwin Koeman (born 1961), Dutch football player and manager
• Ronald Koeman (born 1963), Dutch football player and manager
• Lieja Koeman (born 1976), Dutch shot putter