Please classify them and tell the top 5 countries ,or even Greek areas, where they could pass.

The following couple were the parents of my friend's maternal grandmother. All the photos are enhanced and one colorized.
The man was a Sfakiot Cretan and the woman was half western anatolian greek from Erythrea ,modern day Karaburun in Turkey, from her father's side and half from the island of Milos from her mother's .

These were their children, my friend's maternal grandmother and her siblings

Son 1

Son 2

Son 3


My friend is mentioned,though not shown, in the following thread