Ishaq bin Bahlul narrates: I said to Sufyan, "If a person is not equal to a girl in terms of status, can someone marry his (sister or daughter) to a religious (but lesser in financial or familial status) person?" He replied, "Yes."
Hadith Referenceسنن الدارقطني / كتاب النكاح / 3790
Hadith Takhrij«أخرجه الدارقطني فى ((سننه)) برقم: 3790 ، انفرد به المصنف من هذا الطريق»