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Language/Type: C++ binary trees

Consider the following diagram of the family tree of the House of Tudor:

         ______________Henry VII_____________________
        /                  |              \          \
       /                   |               \          \
Margaret             ___Henry VIII___       Arthur     Mary
   |                /       |        \                   |
   |               /        |         \                  |
 James         Mary    Elizabeth I    Edward VI       Frances
   |                                                 /       \
   |                                                /         \
Mary, Queen of Scots                         Jane Grey       Catherine Grey
James I
What name is the root node?
What names are the leaf nodes? Write them left-to-right separated by commas.
What is the height of the tree?

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