7th century synods that taught the Filioque include the 6th (638), 8th (655), 11th (675), 12th
(681), 13th (683), 14th (688), 15th (688), 16th (693), and 17th (694) Councils of Toledo, the Synod of Merida (666), the Fourth Synod of Braga (675), and the Council of Hatfield (680).