▁▁▁ ▁F ict ional ▁D ogs <0x0A> </s> ▁The ▁patri ki os ▁ ▁John ▁Rh aden os ▁( , ▁also ▁ ▁in ▁the ▁sources ; ▁) ▁was ▁a ▁By z antine ▁official ▁and ▁military ▁leader . ▁ ▁The ▁surname ▁Rh aden os ▁der ives ▁from ▁Rh ade , ▁a ▁small ▁village ▁in ▁the ▁An atol ic ▁Th eme . ▁He ▁is ▁probably ▁to ▁be ▁identified ▁with ▁one ▁of ▁the ▁two ▁By z antine ▁amb ass adors ▁sent ▁to ▁the ▁Abb as id ▁court ▁in ▁Bag hd ad ▁in ▁June ▁ 9 1 7 . ▁Record ed ▁in ▁the ▁Kit ab ▁al - ' U y un , ▁the ▁emb ass y ▁was ▁led ▁by ▁a ▁man ▁of ▁about ▁ 4 0 ▁years , ▁probably ▁Rh aden os , ▁as ▁well ▁as ▁the ▁elder ly ▁Michael ▁To x ar as ▁and ▁twenty ▁attend ants . ▁The ▁emb ass y ▁arrived ▁in ▁Bag hd ad ▁on ▁ 2 5 ▁June ▁and ▁was ▁received ▁by ▁the ▁C ali ph ▁al - M u qt ad ir ▁at ▁the ▁T aj ▁Palace ▁on ▁ 1 7 ▁July , ▁and ▁a ▁tr uce ▁and ▁prisoner ▁exchange ▁were ▁agreed . ▁Al ong ▁with ▁the ▁e un uch ▁general ▁Mu ' nis ▁al - M u za ff ar , ▁the ▁two ▁amb ass adors ▁went ▁to ▁the ▁Lam os ▁River , ▁the ▁custom ary ▁site ▁of ▁prisoner ▁ex changes , ▁where ▁the ▁exchange ▁took ▁place ▁in ▁September / Oct ober . ▁▁ ▁In ▁, ▁Rh aden os ▁is ▁mentioned