He (Umar) replied saying...
He (Umar) replied saying, I proposed marriage before the son of your brother -asws for his daughter but he -asws rejected my proposal. I swear by Allah -azwj , I will shut down Zamzam, leave no honour for you without being destroyed: I will prove him -asws guilty of theft through two witnesses and cut-off his -asws right hand. So Al-Abbas came to him -asws and told him -asws and asked him -asws to make the matter to him (Al-Abbas), and he -asws made it to him (for calming Umar down).
(The book) ‘Al Taraif’ – Ahmad Bin Hanbal in his (book) ‘Musnad’, by his chain to Al Mustazil who said, ‘Umar Bin Al-Khattab proposed to Ali -asws for Umm Kulsoom -asws , so he -asws excused with her ‑asws being too young.
He -asws said to him: ‘I -asws did not want the marriage, but I -asws heard Rasool-Allah -saww saying ‘Every affiliation and lineage would be terminated on the Day of Qiyamah apart from my -saww affiliation and my -saww lineage, and every people, their bond is to their fathers apart from the children of (Syeda) Fatima -asws , for surely, I -asws am their father ‑asws and their bond’’.