With assets of Rs 150.58 crore, the list of rich candidates is topped by T N Javarayi Gowda, also from JDS headed by former Prime Minister H D Deve Gowda, who filed his nominations from Yeshvanthpur in Bangalore yesterday.
Mr Kumaraswamy, Deve Gowda's son, and his wife are contesting from Ramanagaram and Channapatna respectively.
Many multi-millionaires are in the field from BJP, JDS and Congress, asset declarations, filed along with nomination papers by candidates as part of their affidavits, show.
Close to Javarayi Gowda is Tourism Minister Anand Singh of the BJP who has assets worth over Rs 104 crore.
A car freak, Anand Singh contesting from Vijaynagar from mine-rich Bellary district is stated to possess 25 vehicles including Bentleys, Mercedes Benzes and Tatra trucks.
Mr Singh wears two hats, that of an editor of a newspaper, Ananda Karnataka Daily and a mining baron.
Congress treasurer Shamanur Shivashankarappa, who runs a string of educational institutions in Davanagere and is contesting from Davangere South, has assets worth over Rs 67 crore in contrast to his party president G Parameshwara whose total assets declared are worth Rs 3.87 crore.
K J George, also of Congress contesting from Sarvagnanagar, has assets worth Rs 26.82 crore. Congress has also fielded its councillor from city corporation B Basavarju, from Hoodi ward in K R Puram constituency whose total worth is also over Rs 26 crore.
As against this, former Chief Minister and Karnataka Janata Paksha (KJP) founder, B S Yeddyurappa has declared his assets to be Rs 5.96 crore, which is about Rs three crore more than the assets declared by him in 2008 assembly polls.
Mr Yeddyurappa, who had to resign as Chief Minister after the Karnataka Lokayukta indicted him in illegal mining, had to spend some time in jail in a graft case.
The lingayat strongman's man on Friday, Haratalu Hallappa, (KJP) contesting from Sorab in Shimoga district, has declared his assets to be worth Rs 3.52 crore.
Industries Minister Murgesh Nirani, facing corruption cases before Lokayukta court, has declared his assets at Rs 28.14 crore. Nirani is contesting from Bilagi constituency in Raichur district.