The trio have been named in a back-line which also includes Isa Nacewa, who scored 19 points in the 34-23 victory over the Cardiff Blues last weekend.
Young out-half Ian Madigan, who scored Leinster's bonus point try against the Blues, retains the number 10 jersey after his late call-up for the game at the RDS.
In the pack, Cian Healy comes into the front row, after making a second half appearance last weekend, to partner John Fogarty and Mike Ross.
Isaac Boss, Fergus McFadden and Heinke van der Merwe drop down to the replacements bench.
LEINSTER (v Benetton Treviso): Rob Kearney; Isa Nacewa, Eoin O'Malley, Gordon D'Arcy, Luke Fitzgerald; Ian Madigan, Eoin Reddan; Cian Healy, John Fogarty, Mike Ross, Nathan Hines, Ed O'Donoghue, Rhys Ruddock, Shane Jennings (capt), Sean O'Brien.
Replacements: Richardt Strauss, Heinke van der Merwe, Simon Shawe, Mariano Galarza, Stephen Keogh, Isaac Boss, Fergus McFadden, David Kearney.