The pact was sealed by Sayf al - Dawla 's marriage to a niece of al - Ikhshid .
Sayf al - Dawla 's new domain received the -- purely formal -- sanction by the Caliph , who also re-affirmed Sayf al - Dawla 's laqab , soon thereafter .
The pact was sealed by Sayf al - Dawla 's marriage to a niece of al - Ikhshid , and Sayf al - Dawla 's new domain received the -- purely formal -- sanction by the Caliph , who also re-affirmed his laqab , soon thereafter .