How do I change my daughters last name from her dad's to mine?

I want to change my daughters last name and wanted to know what state do I file, the one she was born in or the one we currently reside?

My daughter is 18 months old. I had to take a DNA test to make sure she was mine, and took responsibility of her. She lived with her mother and grandmother. The grandmother thinks she should continue living there,...

My dad passed away in May. My mom passed away in June. I am the administrator of my dad's estate. How do I transfer his land and house into mine and my sister's name?

My 2yr old daughter has her father's last name and I want to change it to mine. We were never married and his name is not on the birth certificate. How do I go about changing it without having to deal with...

When my two children go to their dad's house, my son comes back angry at the world. I finally got him to open up to me. He said that "all dad does is sleep. sometimes we have to fix our own breakfast....