At the top of the Person View is a "mini-tree".
The selected person is in the middle, on top.
If only married once, the spouse will show below the selected person. Click on the "itty-bitty" arrow next to the spouse of the selected person to show all of the spouses.
The children of the selected person will show by clicking on the "itty-bitty" arrow next to the first child listed.
By "rotating" through each spouse of each spouse, you can navigate to any child of any of the spouses of the spouses of the selected person.