The situation was difficult. The girl was only seven years old. The girl had no relative to look after her. The financial condition too was grave.
1:
The situation was difficult and grave as the financial condition was bad and the girl was only seven years old had no relative to look after her.
2:
The situation was difficult as the girl who was only seven years old had no relative to look after her and the financial condition was grave as well.
3:
The girl was only seven years old and the financial condition was too grave as she had no relative to look after because the situation was difficult.
4:
The situation was grave and difficult however the girl was only seven years old and had no relative to look after her and the financial condition was grave.