Leave extension

[PRD2021]

Ray has requested that he needs another three more weeks to settle his family matters at his hometown.
Since his has lost his spouse, he is going through very difficult time in his life and he said that he wanted to be with his children some more time so that they will recover from traumatic experience they had.

Please tell me whether the sentences above are worded correctly and natural.

 

[Tarheel]

Ray has requested a three-week extension of his leave to settle his family matters at his hometown. Since his has lost his spouse, he is going through a very difficult time in his life and he said that he wants to spend more time with his children so they can help each other recover from traumatic experience they had.

OK.

 

[teechar]

.... to settle his family matters at in his hometown. Since his has lost losing his spouse, he is has been going through .... the traumatic experience they had.

Please tell me whether the sentences above are worded correctly and sound natural.