The Negus married Umm Habibah daughter of Abu Sufyan to the Messenger of Allah ﷺ for a dower of four thousand dirhams. He wrote it to the Messenger of Allah ﷺ who accepted it.
أَنَّ النَّجَاشِيَّ زَوَّجَ أُمَّ حَبِيبَةَ بِنْتَ أَبِي سُفْيَانَ مِنْ رَسُولِ اللَّهِ ﷺ عَلَى صَدَاقٍ أَرْبَعَةِ آلاَفِ دِرْهَمٍ وَكَتَبَ بِذَلِكَ إِلَى رَسُولِ اللَّهِ ﷺ فَقَبِلَ