Man pages matching name xkbfreegeomoverlayrows in section 3:

XkbFreeGeomOverlayRows.3.en	debian 10 / libx11-doc
XkbFreeGeomOverlayRows.3.en	debian 11 / libx11-doc
XkbFreeGeomOverlayRows.3.en	debian 12 / libx11-doc