The central object and source of blessedness in heaven is of course God Himself. But the Sacred Humanity of Christ is also an immense source of blessedness, as also His Mother. Pope Pius XII wrote splendidly about this truth (Address to Italian Catholic Action Youth, Dec. 8, 1953. From The Pope Speaks, 1954, 1. p. 38. Internal quote is from Dante, Paradiso, 31. 130-35):" Surely, in the face of His own Mother, God has gathered together all the splendors of His divine artistry... . You know, beloved sons and daughters, how easily human beauty enraptures and exalts a kind heart. What would it ever do before the beauty of Mary!. That is why Dante saw in Paradise, in the midst of 'more than a million rejoicing Angels, a beauty smiling - what joy! It was in the eyes of all the other Saints': Mary !"