In the series finale The Last Problem, Pinkie Pie marries Cheese Sandwich and has a son named Li'l Cheese in the future.
Cheese Sandwich is a male Earth pony and the self-titled "super duper party pony" who appears in the episodes "Pinkie Pride", "Equestria Games", "Twilight's Kingdom - Part 2", and "The Last Laugh". He later appeared in the series finale where it is shown that he and Pinkie Pie got married, and have a foal of their own.
Lil 'Cheese, or Little Cheese, or Cheesecake is the son of Pinkie Pie and Cheese Sandwich. His first appearance was in The pie competition.
Pinkie Pie/Cheese Sandwich
In The Last Problem, Pinkie and Cheese are revealed to be married in the future with a son named Li'l Cheese.
Despite her typically flat demeanor, she deeply loves her sister Pinkie Pie and shows a deep concern for her when her life is put in apparent danger. Despite not sharing Pinkie's interests in throwing surprise parties and making candy, she enjoys doing such activities with Pinkie solely because her sister does.
Pinkie Pie loses her pink
As a result of her decision to stop playing the yovidaphone, her coat has lost some of its color, and her mane and tail have gone flat. In an effort to cheer Pinkie up and make her forget what she's bad at, her friends decide to remind her of all the things she's good at.
Pinkie Pie (full name Pinkamena Diane Pie) is a light pink earth pony with light blue eyes and a dark pink balloon-like mane and tail. Her cutie mark, a trio of balloons, represents her talent for spreading hope and joy and her desire to entertain her friends.
In the series finale The Last Problem, Pinkie Pie marries Cheese Sandwich and has a son named Li'l Cheese in the future.
Rainbow Dash has a pet tortoise named Tank, whom she chooses out of Fluttershy's offered animals. She represents the element of loyalty. She later marries Soarin and has a son named Gust.
Pinkie Pie, as a member of the Pie family, actually has a twin sister: Marble Pie!!! In the episode Hearthbreakers, Pinkie mentions that Marble is only a few minutes younger than she is.
Pinkie Pie is a female human, a student from Canterlot High School, and one of the main characters in My Little Pony Equestria Girls.
Lil Cheese is the child of Pinkie Pie and Cheese Sandwich. Despite having eyelashes and being referred to as a Filly in the game's descriptions, Lil Cheese was confirmed by the show-writers to be male.
DeltaVerse. In the DeltaVerse, she ends up marrying Discord, and they have three children together: Dangerous Butterfly, Magic Malice, and Flutter Chaos, respectively.
Octavio Pie is a male earth pony who is Pinkie Pie's brother.
MAUD PIE is Pinkie Pie's older sister. She might seem aloof at first, but get to know her and she's kind-hearted as Pinkie Pie.
Spike is comforted by his then-husband Garble. They marry and have a male dragon; Fiero, and a female dragon; Earnest. Garble moves to Canterlot with their children to accompany Spike.
In The Big Mac Question, Big Mac organizes an elaborate surprise to propose marriage to Sugar Belle, but Spike, Discord, the Cutie Mark Crusaders, and Mrs. Cake's efforts to help get in the way. Eventually, Big Mac and Sugar Belle both propose to each other, and they get married at the end of the episode.
Queen Celestia is an Alicorn pony, the ruler of South Equestria alongside her husband King Hepheus with whom she has a daughter called Gleaming Shield.
Soarin is a male Pegasus pony and a member of the Wonderbolts, being Spitfire's second-in-command. He has a crush on Rainbow Dash, being able to ask her to go on a date with him when she is nominated an official Wonderbolt. He later marries Rainbow Dash and the two has a child named Gust.
Nightmare Pinkie Pie is the nightmare variant of Pinkie Pie added in Update 6.7. She is a helper in siege stage 5 of The Nightmare Before Hearth's Warming Limited-Time Siege.
In late September 2013 when a braincell in Pinkie's head exploded after using too much cocaine, heroin, alcohol and nicotine, she lost her mind completely and became a small-time psycho killer.
No, there isn't. Pinkie is definitely a biological member of the Pie family, as in one Hearth's Warming episode, she introduces one of her sisters, Marble Pie, as being a few minutes younger than her, meaning that they are (fraternal) twins.
No last name: Applejack, Fluttershy, Rarity, Spike, Spitfire, Applebloom, Scootaloo, Cheerilee, Celestia, Luna, Cadence, Sunburst, etc.
Pinkie was born on a rock farm to two Earth ponies named Igneous and Cloudy. She's the second youngest of four sisters. In her foalhood, she loved her parents and sisters very much despite their stoic, quiet personalities and enjoyed cooking with her sister Maude and ice skating.
She's responsible for raising the sun to create light in Equestria. Wise and kind, she is a mentor to Twilight Sparkle. All of the ponies look up to her and depend on her. Some say she is SO wise because she is over ONE THOUSAND years old.