NEW ORLEANS -- Brothers Jim and John Harbaugh looked comfortable sharing a stage Friday, just as they will do Sunday when Jim's 49ers face John's Baltimore Ravens in Super Bowl XLVII.

"Hi, how you guys doing. Welcome and thanks for coming," John said in his introductory remarks. "Just want to say what an honor it is to be here with each other."

Jim's simple response: "I concur."

Such is their contrasting personalities at their normal press conferences: John the gregarious type while Jim is the loose-lips-sink-ships responder.

The 49ers and Ravens will practice for a second straight day at the New Orleans Saints' facility in Metairie. John, however, said his Ravens will be "long gone" before the 49ers hold their penultimate practice before Sunday's game.

Instead of digging up their childhood memories, Jim chose to reminisce about the 49ers' great plays this season, adding: "The way players have played, that's why we are here, not because of any coaching decisions or what we did as kids."

The most sentimental aspect of Friday's press conference came when the brothers were asked to describe what they learned from their mother, Jackie, who sat among the media with her husband Jack and the boys' grandfather, Joe.

"There's nobody in the family that has more competitive fire than my mother," Jim said. "She competes like a maniac. So, No. 1, that is that.

Jim added: "She's always believed in us. That's the most important thing to me. She believed in me, John, Jacki. She took us to games, shot baskets with us and really believed in us."

Added John: "She was not happy when we built a hockey goal out of chicken wire when were about 13 years old and shot all the windows out of the garage. She had to call Jack in for that.

"She made it clear we were to have each other's back, no matter what," John added.

Although Jack tutored his sons on the game of football through his 43 years as a coach, the matriarch supplied other knowledge.

Said John: "We might have been talking about football with dad in the basement. Mom would talk about world affairs, history, the '70s and things in the world. I think that helped us become more well-rounded people as we grew up."

Jim's oldest son, Jay, has grown up to become a coach, too. After serving as an undergraduate assistant at Oregon State, Jay recently became an assistant on the Ravens' staff.

"Maybe that'll be our edge, he'll tip the scale," John joked.

The most humorous segment of the nearly 30-minute session came when the brothers were asked about their philosophical similarities and differences.

"Philosophical commonalities? I'd be hard pressed to spell philosophical right now," Jim replied.

Added John: "I know we couldn't spell commonalities."

Come Sunday night, one of the brothers will be holding the Lombardi Trophy, something they gathered around with their family for a photo after the press conference.

"I've absolutely given no consideration to the postgame handshake or hug, not for one second," John said, when asked if there could be a postgame bear hug. "'Have you, Jim?'"

"No," Jim Harbaugh said.

For more on the 49ers, see Cam Inman's Hot Read blog at blogs.mercurynews.com/49ers. Follow him on Twitter at twitter.com/CamInman.