The different ones come from different era's and spellings of Garris/Geris/Garis/Gehris/Gahres etc. and have been passes down through Heraldic publications. The Oak Tree is for Strength and Endurance, The Unicorn is for Purity as was Christ. The Area in France/Spain they built Garris in 200 AD on a Roman road was a market town built on a rocky fortress in the Pyrennes Mountains bordering Spain. Go to Google, Maps and you can find it. Also after returning from Egypt, wandering in the wilderness for 40 years to weed out the unfaithful the Tribes of Simeon, Gad and Dan settled in this area, Gad stayed, Simeon went on to England, Dan after also going to Greece, up to the Danube then went to Ireland where their headman Eochaidh was married to Tamar/Tea Tephi of Judah by Jeremiah coming from Babylon to rebuild the Temple in Jerusalem, going to Tamphanes, Egypt-named after daughter of Mizraim, Egyptus, taking her, Jacob's pillow/Scone Stone/Lia Fail, and the Ark of the Covenant with him, she was daughter of Zedekiah the last King of Judah, thus uniting the 10 northern tribes with the 2 southern tribes of Israel. Fergus Moore took the Stone to Scotland and King James VI of Scotland took it to Yorkshire, England where he was crowned King James I of England.