_Orhan I OTTOMAN _________+
                                            | (1281 - 1361)            
                       _Murad I OTTOMAN ____|
                      | (1326 - 1389) m 1386|
                      |                     |__________________________
                      |                                                
 _Bayezid I OTTOMAN __|
| (1360 - 1402)       |
|                     |                      _John V PALAIOLOGOS ______+
|                     |                     | (1332 - 1390) m 1347     
|                     |_Maria PALAIOLOGOS __|
|                        m 1386             |
|                                           |_Helena of KANTAKOUZENOS _+
|                                             (1333 - 1396) m 1347     
|
|--Musa Çelebi Osman OTTOMAN 
|  (1388 - 1413)
|                                            __________________________
|                                           |                          
|                      _____________________|
|                     |                     |
|                     |                     |__________________________
|                     |                                                
|_Devlet HATUN _______|
  (1370 - 1422)       |
                      |                      __________________________
                      |                     |                          
                      |_____________________|
                                            |
                                            |__________________________