Urwah (bin al-Zubayr), naming those of the Ansar who attended the pledge of Aqabah, then from Banu Bayadah: Farwah bin Amr (may Allah be pleased with him), who also took part in the Battle of Badr.
Hadith Referenceالمعجم الكبير للطبراني / باب الفاء / 15931
It is narrated from Sayyiduna Jabir (may Allah be pleased with him) that the Prophet (peace and blessings be upon him) used to send a man of the Ansar from Banu Bayadah, called Farwah bin Amr, and he would estimate the fruit of the people of Madinah.
Hadith Referenceالمعجم الكبير للطبراني / باب الفاء / 15932
It is narrated from Sayyiduna Rafi' bin Khadij (may Allah be pleased with him) that the Prophet (peace and blessings be upon him) used to send Sayyiduna Farwah bin Amr (may Allah be pleased with him) to estimate the date palms. When he entered an orchard, he would count the varieties in it, then multiply some by others according to what he saw in them, and he would not err.
Hadith Referenceالمعجم الكبير للطبراني / باب الفاء / 15933