On other web sites you can read about Mevlana. His sarcophagus is in the Mevlana Museum, which is both a place of pilgrimage for many muslims as well as people of other creeds who are attracted by his teaching, and a museum, housing some very good pieces of glassware, copperware, carpets, caligraphy et cetera. In a number of rooms scenes from the daily life in the dervish world are recreated.
Here is the grave monument to Mevlana's granddaughter foreground) and his son (Muzaffereddin Emir Alim Çelebi, the one with the mosaic pattern).