I think that the most important thing is you had parents that adopted you and loved you enough to raise you. My mother being brutally honest told me that I was a mistake(ie not planned) but successfully raised me within an intact family. Similarly I was raised in a loving family and that is most important.
I took the liberty of starting a new thread because yours got me thinking about my relatives. Life is a journey and it is a gift given us by our creator. Let's all make the best of it.