Half sister, half brother You've got to know that father must have loved your mother One thing always led to another She found herself in the need of a lover Always needing meeting in secluded places Never showing their faces Half sister, half brother You've got to know father must have loved your mother Too bad he already had a wife, he was married Which means too bad, he already had a life And sometimes a man can be in the need of a companion And she was there Half sister, half brother You've got to know the father must have loved your mother Ooh you little half children you've got to realize He must have eyes for your mother Ooh you little half brother he must have dug her He must have loved her, little happy sister, he loved your mother Half sister, half brother You oughta know he must have loved your mother Ooh you gotta know it, children He must have loved that lady He must have thought a lot of her He must have loved your mother Half sister, half brother You gotta know he must have loved your mother