▁House ▁of ▁Han over ▁was ▁the ▁House ▁of ▁Lu cca ▁( or ▁Este , ▁or ▁W elf ). ▁ ▁This ▁is ▁the ▁descent ▁of ▁the ▁primary ▁male ▁he ir . ▁For ▁the ▁complete ▁expanded ▁family ▁tree , ▁see ▁List ▁of ▁members ▁of ▁the ▁House ▁of ▁Han over . ▁ ▁Ober to ▁I , ▁ 9 1 2 ▁- ▁ 9 7 5 ▁Ober to ▁Ob iz zo , ▁ 9 4 0 ▁- ▁ 1 0 1 7 ▁Albert ▁Az zo ▁I , ▁Mar gra ve ▁of ▁Milan , ▁ 9 7 0 ▁- ▁ 1 0 2 9 ▁Albert ▁Az zo ▁II , ▁Mar gra ve ▁of ▁Milan , ▁d . ▁ 1 0 9 7 ▁W elf ▁I , ▁Duke ▁of ▁Bav aria , ▁ 1 0 3 7 – 1 1 0 1 ▁Henry ▁IX , ▁Duke ▁of ▁Bav aria , ▁ 1 0 7 4 – 1 1 2 6 ▁Henry ▁X , ▁Duke ▁of ▁Bav aria , ▁ 1 1 0 8 – 1 1 3 9 ▁Henry ▁the ▁Lion , ▁ 1 1 2 9 – 1 1 9 5 ▁William ▁of ▁Win chester , ▁Lord ▁of ▁L un enburg , ▁ 1 1 8 4 – 1 2 1 3 ▁Otto ▁I , ▁Duke ▁of ▁Brun sw ick - L ü ne burg , ▁ 1 2 0 4 – 1 2 5 2 ▁Albert ▁I , ▁Duke ▁of ▁Brun sw ick - L ü ne burg , ▁ 1 2 3 6 – 1 2