sheikh albani mentions in his silsila ahadeeth-e-sahihiya
حسين مني و أنا من حسين ، أحب الله من أحب حسينا ، حسين سبط من الأسباط
hussain is from me, and i am from him; allah loves who loves hussein; hussein is one of my grandsons
Source: 1. silsila ahadeeth sahihiya, vol 3, page 229, narration 1227
2. sahih sunan tirmidhi, vol 3, page 539, narration 3775 ; sheikh albani has included this narration in his sahih tirmidhi as well; and termed it HASAN.
3. sahih ibn maja, vol 1, page 65, narration 144; and he also mentioned it in his sahih ibn maja, and termed it HASAN