这句话怎么讲？

Although he had passed away, but I believed he has never left me, I still could feel him around me.

Though he's passed away, I believe and feel he's still with me.

Although he has passed away, I believe he has never left me. I can still feel he is with me.
用了Although后边就不能用but
反之用了but前边就不能用although

Although he had pass away, but I believe he has never left me and always around me.