Ubaydullah bin Adi bin Khayar reported,

I came in to see Uthman, and he made the testimony of faith and then said, "To proceed: Allah sent Muhammad ﷺ with the truth, and I was among those who responded to Allah and His Messenger and believed in what Muhammad ﷺ was sent with. Then I made the two migrations, and I attained the honor of marrying into the family of the Messenger of Allah ﷺ, and I pledged allegiance to him. By Allah, I never disobeyed him nor deceived him until Allah took him."Ishaq Kalbi corroborated this, saying that Zuhri related to him something similar.

Bukhari 3927

Sahih

حدثني عبد الله بن محمد حدثنا هشام أخبرنا معمر عن الزهري حدثني عروة بن الزبير أن عبيد الله بن عدي بن الخيار أخبره دخلت على عثمان وقال بشر بن شعيب حدثني أبي عن الزهري حدثني عروة بن الزبير أن

عبيد الله بن عدي بن خيار أخبره قال

دخلت على عثمان فتشهد ثم قال أما بعد فإن الله بعث محمدا ﷺ بالحق وكنت ممن استجاب لله ولرسوله وآمن بما بعث به محمد ﷺ ثم هاجرت هجرتين ونلت صهر رسول الله ﷺ وبايعته فوالله ما عصيته ولا غششته حتى توفاه الله تابعه إسحاق الكلبي حدثني الزهري مثله

البخاري 3927صحيح
Contents
Reference
Commentary
Ayat
Collection
Sahih Bukhari
Book
Virtues of the Ansar
Chapter
Prophet's ﷺ and his companions' arrival in Madinah
Numbering
Darussalam 3927
Bukhari 3927