A bedouin came to Allah's Apostle ﷺ when he was in my house and said: Allah's Apostle, I have had a wife and I married another besides her, and my first wife claimed that she had suckled once or twice my newly married wife, thereupon Allah's Apostle ﷺ said: One suckling or two do not make the (marriage) unlawful. (Using translation from Muslim 1451a)
دَخَلَ أَعْرَابِيٌّ عَلَى النَّبِيِّ ﷺ وَهُوَ فِي بَيْتِي فَقَالَ يَا نَبِيَّ اللهِ إِنِّي كَانَتْ لِي امْرَأَةٌ فَتَزَوَّجْتُ عَلَيْهَا أُخْرَى فَزَعَمَتِ امْرَأَتِي الْأُولَى أَنَّهَا أَرْضَعَتِ امْرَأَتِي الْحُدْثَى رَضْعَةً أَوْ رَضْعَتَيْنِ فَقَالَ نَبِيُّ اللهِ ﷺ لَا تُحَرِّمُ الْإِمْلَاجَةُ وَالْإِمْلَاجَتَانِ