Musannaf Ibn Abi Shayba 28:338

Waki’ narrated to us, he said: Sufyan narrated to us, from Abu Ishaq, from Mus’ab bin Sa’d, that Umar bin al-Khattab allocated six thousand [dirhams] to six thousand [people], and he allocated ten thousand [dirhams] to ten thousand [dirhams] for the Mothers of the Believers. He favored Aisha with two thousand [extra] because of the love of the Prophet, peace and blessings of Allah be upon him, for her, except for the two captives: Safiyyah bint Huyayy and Juwayriyyah bint al-Harith; he allocated six thousand [dirhams] for them. And he allocated one thousand [dirhams] to one thousand [dirhams] for women from among the women of the believers, among whom was Umm ‘Abd.