Children (7 direct children, 12 direct and indirect children):
Yellow-cheeked gibbon
Yellow-cheeked crested gibbon
Black crested gibbon
(tree size 5)
Crested gibbon
Hainan black crested gibbon
Hainan gibbon
Northern white-cheeked gibbon
White-cheeked gibbon
Eastern black crested gibbon
Cao-vit black crested gibbon
Northern buffed-cheeked gibbon
Nomascus annamensis
Southern white-cheeked gibbon
Nomascus siki