Breeding my Niece

My niece 23 by marriage was having a hard time since losing her parents about 2 years ago. My late wife's older brother only child, my wife had died after a fall at work a railing gave way (2021). We'd no children, I 34 was devastated by her death, we'd been planning to start our own family. Anyway, fast forward to last July, I was almost over my wife's death and still wanting to start a family. I happened to meet my niece who I hadn't seen since her parent's funerals. I just at a diner for a quick feed, my niece was working there it was one of 3 jobs she was working to get by. She reminded me of my ex-wife almost her identical twin, only different colored eyes and hair. I'd been away working mostly to get over losing my wife. I told my niece to drop by my home, and I would see if I could help her improve her life. She hadn't known I was back in town; she agreed to come when she had time. Her job at the diner was her main income source as the other two were hit or miss. Never knew if you would be needed till just before you were required. Anyway, next day she wasn't required so came to see me, she hadn't considered going to college as she hadn't done well at school. Barely passing her final year, my first idea to help was quite easy. I told her to live with me, thus saving rent, also it was closer to all her workplaces. When asked what she wanted out of life she said having a child but couldn't see if she would ever be able too. It dawned on me straight away, if she had a child for me, it would almost like having a child with my late wife. I very well-off career wise and financially. So, my niece wouldn't have to work to get by and at first, I thought it would be too creepy to just ask her then and there. But she got a message and her second job for the day was cancelled. I decided to ask her about carry my child for thinking of using IVF to get her pregnant. She of course was shocked, but it soon passed and she suggested us fucking instead of IVF. More fun and I get greater involvement she said. I said I would support her and she didn't need to work her jobs if she didn't want too. She didn't want too, three days later she was fully moved in and started sleeping with me straight away. After three weeks I thought it would better for her future if she was married to me instead of just being my niece and mother to my child. So, I asked her opinion she agreed as it seemed a better option socially. A niece living with her widowed uncle and getting pregnant would cause gossip. A wife getting pregnant doesn't spark the gossip. A quick marriage later, after another couple of weeks she tested positive to being pregnant. We're having a daughter who'll be named after my late wife. My niece is a great wife and has mentioned she wants more than one child if I agree, I have.