This is oldfashioned norwegian.
Here is what is writen:
1: Henning with his great-grandmother. In her window you can see that she still is interested in flowers.
2: The picture that surely pleases you the most to get
3: Here you see Henning with his great-grandmother. The photo is from the summer of 1928 or 29 -- notice the blossom in her window
4: Krestian(?) Sofie and Krestine and your mother
5: Myself the day after I stopped beeing a soldier