Qays bin Abi Hazim (may Allah have mercy on him) said: "We visited Abu Bakr (may Allah be pleased with him) during his illness, and we saw a fair-skinned woman with tattooed hands fanning him, and she was Sayyidah Asma' bint Umays (may Allah be pleased with her)."
Hadith Referenceالمعجم الكبير للطبراني / مسند النساء / 20730