Verb conjugation of "stammen" in German

My brother moved there last year. He met a woman and went after her. After six years they have broken up, but he no longer wanted to return, because he has settled down in his new home. I am visiting him once a year.
I wish you also a successful and happy 2008. On New Year's Eve I was here in Costa Rica and I've looked after my 6 weeks old daughter, no holiday in sight. She is not sleeping well at night yet.
I wanted to know more about your job offer and if I have a chance to get it. And if my application is accepted, I would like to know more about the duration of the project. I believe in it very much.