Problem: Emma Emma's mother had died long ago, and *her* education had been managed by an excellent woman as governess.
Are "her" and "Emma's mother" the same?
****
Answer: no

Problem: Mark was close to Mr. Singer 's heels. He heard him calling for the captain , promising him, in the jargon everyone talked that night, that not one thing should be damaged on the ship except only the ammunition, but the captain and all *his* crew had best stay in the cabin until the work was over.
Are "his" and "the captain" the same?
****
Answer: yes

Problem: Our mistress hired a room for my crippled sister Nelly , and she gave her knitting and needlework when *she* was able to do it, and when she was ill she sent her dinners and many nice comfortable things and was like a mother to her.
Are "she" and "Nelly" the same?
****
Answer:
yes