Muhammad's Marriage with Kadijah radhiyallāhu 'anhā

At the age of 25 years, Muhammad Sholallahu'alaihi wa sallam married Khadijah, a Quraish woman who had a high position and abundant wealth. Some said Khadija's age was 28 years old and some said she was 40 years old. She is Khadijah Bintu Khuwailid Bin Asad Bin Abdul Uzza Bin Qushay Bin Kilab Bin Murrah Bin Ka'ab Bin Luay al-Qurosyiyyah. She is one of the best women in line, wealth and intelligence. She is the woman who was first married to Muhammad Sholallahu'alaihi wa sallam and he Sholallahu'alaihi wa sallam did not marry any other woman until Khadija died.

When Khadija died, 6 children were born to her, namely al-Qasim, Abdullah, Zainab, Ruqoyyah, Umm Kulthum, and Fatima. Al-Qosim and Abdullah died when they were little while the women all met the prophethood of Muhammad Sholallahu'alaihi wa sallam and converted to Islam and all died before Rasulullah Sholallahu'alaihi wa sallam except Fatima. So she died 6 months after the death of Rasulullah Sholallahu'alaihi wa sallam. 

As for the details of how the details of his marriage, such as he traded to Syria with Khadijah Bintu Khuwailid's wealth and that Khadija sent his slave Maisaroh, and when Khadija returned to see the safety of Muhammad Sholallahu'alaihi wa sallam and Maisaroh also told of the glory of morals and clear thoughts and the honesty of Muhammad Sholallahu'alaihi wa sallam and the story that Khadija sent a messenger to Muhammad Sholallahu'alaihi wa sallam to marry her, and that Muhammad agreed and spoke to his uncles Sholallahu'alaihi wa sallam, then after that they went to Khadija's uncle and propose to her, and after that the marriage is carried out the narrations are weak.