Can you help identify the people in this photo?

The marriage between Frank Stemp and Serena Beattie took place probably between 1896 and 1910. Serena was born in Sussex, at ? Bishopstone, sometime after 1878. She was the Daughter of Serena Hall And James Beattie. The people on the left are the Stemp family, the bridegroom is the first male on the left. The people to the right of the bride are her family. Note the Beattie male in the Royal Navy uniform. This may be James Beattie jnr. born in 1875.