 Ramba uchiverenga ndima iyi - Zvavakanga varonga kushanyira Jerusarema zvakakanganiswa nehondo yaiva pakati pevaMongol nevaMamluk, avo panguva iyoyo vakanga vakavakidzana pedyo norwizi rwaYufratesi. Vakanga vachiri kuedza kusvika kuPalestine, vachifamba vachipfuura nomuArmenia neGeorgia uye ipapo nomugungwa. Zvisinei, vakadanwazve naPatriarch, uyo aida kuvapa utungamiriri hwechechi muChina. Bhishopi mukuru wacho akatumidza Markos kuti bhishopi weKatay uye weOng Northern China nedzinza reOngud, zvichiteerana, achimupa zita rokuti Mar Yahballaha. Panguva imwe cheteyo, akatumidza Bar Sauma saora bhishopi anoshanyira nokuda kwenyika dzokuMabvazuva, uye mufundisi mukuru. Zita idzva raireva kuti vaviri vacho vaizodzokera kumabvazuva; zvisinei, vose vari vaviri vakasimbirira pakugara kuti vagare mumusha wemamongi, vachizviona sevasingakodzeri mazita matsva. Vakaramba vari mumusha wemamongi pedyo neMosul kwemakore maviri. 