Open Gemini and take a picture of your brother, then add it to the search bar. Hit the plus sign again and add a picture of your grandson. Then, instruct it to create a new image with both of them posing together for a picture. This should work. Make sure to keep Gemini on Pro when doing it to get the best result.i did the same thing with my deceased father and it worked flawlessly
Open the image of the baby, tap and hold his image and drag it into a photograph of your brother. It's a bit tricky to maneuver from one photo to the other, but you can save the clipped image and then add it to the picture of your brother. Conversely, you can open an image of your brother tap, hold and drag it onto an image of the baby.
