Generation bonus are like overriding commissions. You earned this if one of your referrals has a member who upgrades their membership level.
Below are the amount of generration and passive commissions that you can receive from each membership levels.
Gold:1st Generation = P500, 2nd Generation = P700, 3rd Generation = P500
Titanium: 1st Generation = P1,000
Platinum:1st Generation = P2,000