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Maria Shriver attended christening of Arnold’s love child

It’s Arnold Schwarzenegger and his one, big — not so happy — family!

The “Terminator” star’s humiliated wife, Maria Shriver, suffered another poignant blow yesterday when pictures emerged of her and Schwarzenegger attending the christening of his love child in 1998.

Of course, Shriver had no idea the future California Governator was hiding his affair with housekeeper Mildred “Patty” Baena and their secret spawn.

PHOTOS:

ARNOLD SCHWARZENEGGER

MILDRED “PATTY” BAENA

Another photo from the family album showed Schwarzenegger playing the father role, teaching his youngster how to swing a golf club.

And yet another snapshot showed him beaming as he playfully lifted his secret biological son in the air.

Now Shriver will have these indelible images seared into her memory, reminding the Kennedy heiress of Schwarzenegger’s heartbreaking cheating.

The 63-year-old “True Lies” star and Shriver have four kids of their own — Katherine, 21, Christina, 19, Patrick, 17, and 13-year-old Christopher, who was born just five days before Baena gave birth to Arnold’s love child.

The Lovernator and his paramour have been virtually invisible since it was revealed that Shriver dumped Schwarzenegger over the shocking baby news.

But Baena’s adult daughter, Jackie Rozo, came running to her mom’s defense yesterday and said the housekeeper is a magnificent parent.

“She’s like a superwoman, pretty much,” Rozo told Spanish-language Telemundo, in an interview played on NBC’s “Today.”

“I love my mom very much, and she’s a great inspiration for any woman out there, working for the kids,” added Rozo, 27.

The loyal daughter also said Baena, 50, doesn’t deserve any blame for this embarrassing mess.

“My mom doesn’t need to justify herself,” Rozo said. “She’s always been there for us, for me and my brothers, and that’s why me and my brothers will always be there for her.”

Rozo said her mom should be portrayed as nothing but a well-meaning, loving parent.

“The Mildred that they put out there, it’s like — it’s just, you know, all gossip, rumors,” Rozo said. “It’s just a big thing because she’s Hispanic and he’s a celebrity.”

The worried daughter admitted she has not seen her mom since the revelations became public.

“They’re going through a hard time right now. It’s a kid and it’s a mother, so everyone should respect that privacy,” Rozo said.

david.li@nypost.com