_John I LUXEMBOURG __+
                                               | (.... - 1364) m 1330
                        _Guy I LUXEMBOURG _____|
                       | (1340 - 1371) m 1354  |
                       |                       |_Alix of DAMPIERRE __
                       |                          m 1330             
 _John LUXEMBOURG _____|
| (1370 - 1397)        |
|                      |                        _____________________
|                      |                       |                     
|                      |_Mahaut of CHÂTILLON _|
|                        (1335 - 1378) m 1354  |
|                                              |_____________________
|                                                                    
|
|--Peter LUXEMBOURG 
|  (1390 - 1433)
|                                               _____________________
|                                              |                     
|                       _______________________|
|                      |                       |
|                      |                       |_____________________
|                      |                                             
|_Margaret of ENGHIEN _|
  (1365 - ....)        |
                       |                        _____________________
                       |                       |                     
                       |_______________________|
                                               |
                                               |_____________________