It’s a girl for the hot model mom and singer. Born Oct 9th at 7:46 p.m., baby Lou Sulola Samuel, is the newest addition joining big brothers Henry (4), Johan (2 1/2), and big sister Leni (5). Where did the name Samuel come from? Klum has made a decision to change her last name to Seal’s surname, Samuel. Ahhh, now we get it… we were worried there for a minute Heidi. You said it was a girl but it didn’t look like a girl….name.