Song envoys among the Jin were similarly entertained by singing girls in Guide, Henan.[46][47] Although the Liao Khitan had superior power over the Jurchens when ruling them were is no evidence that guest prostitution of unmarried Jurchen girls to Khitan men was hated or resented by the Jurchens. It was only when the Liao Khitan forced aristocratic Jurchen families to give up their beautiful wives as guest prostitutes to Liao Khitan messengers that this stirred resentment and anger by the Jurchens. A historian has speculated that this could mean that in Jurchen upper classes, only a husband had the right to his married wife while among lower class Jurchens, unmarried girls virginity and sleeping with Liao Khitan men did not matter and did not impede their ability to marry later.[48][49] The Jurchens sexual habits and mores seemed lax to Han Chinese, such as marrying with an in law which was one of China's "Ten Heinous Crimes".