I used to enter my room where the Messenger of Allah ﷺ and my father were buried, and I would take off my outer garment, saying, "They are only my husband and my father." But when Umar was buried alongside them, by Allah, I never entered without being fully covered in my clothing, out of modesty before Umar.
حدثنا حماد بن أسامة قال أخبرنا هشام عن أبيه
كنت أدخل بيتي الذي دفن فيه رسول الله ﷺ وأبي فأضع ثوبي فأقول إنما هو زوجي وأبي فلما دفن عمر معهم فوالله ما دخلت إلا وأنا مشدودة علي ثيابي حياء من عمر
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Its isnad is sahih. Hakim narrated it, 3/61, and graded it sahih according to their [Bukhari and Muslim's] criteria, and Dhahabi agreed with him. Haythami said, 8/57 (Beirut edition), "Ahmad's narrators are the narrators of the Sahih."