Thank you so much for your help and you guys have found it!!! lol Awesome thank you!!!!

Try Moving forward by Twiknham.

Summary: SPOILER ALERT! Set after the end of the series. Years after InuYasha and Kagome’s disappearance, Sesshoumaru sees a white-haired boy holding his mother’s hand. But wait, if that’s not Kagome, where is she?

Hope that's it, had to search a lot to find it lol.

Well I don't really remember what's it call

but I know that its completed and

it's about Sesshoumaru and how he's now living in the future and he sees a little boy that's with his mother and know that its

not kagome so he goes and looks for her. Then he marries her caz he thinks that they are compatible for they both have had a

long journy and some how they fall in love at the end. And at the end they have twin boys

if you know it please please tell me!!!

What you are looking for, is "Moving Forward" by Twiknham.
the only url is to A single Spark
www.a-single-spark.com/fanficread.php?fid=6817&cid=1&Go=Go

It is completed, and as usuall I have it in Word
Rosemarie

Nope Twik's also got it up on FF.net, see my link. But at least it wasn't just me thinking that was the right fic.