Mark Rothko was born in Latvia, Daugavpils. City was then called Dvinsk. His details are wrong. He is not in the list of Latvian artists. There is Rothko museum in Daugavpils now. Please add him to the list under Latvian artists, not Belarus.
Thank you for the notice, we've edited the information https://www.wikiart.org/en/mark-rothko