List of families

Many Arthur episodes have shown members of main characters' families. This is a list of them.

The Armstongs

 * Sue Ellen Armstrong
 * Mrs. Armstrong, mother
 * Mr. Armstrong, father

The Barnes

 * Binky Barnes
 * Mrs. Barnes, mother
 * Mr. Barnes, father
 * Mei-Lin Barnes, adopted sister

The Baxters

 * Buster Baxter
 * Bitzi Baxter, mother
 * Bo Baxter, father
 * Buster's Grandmother, grandmother
 * Stu, uncle

The Ciccones

 * Rattles Ciccone
 * Mrs. Ciccone, mother

The Crosswires

 * Muffy Crosswire
 * Millicent Crosswire, mother
 * Ed Crosswire, father
 * Chip Crosswire, brother
 * Ed Crosswire's niece, cousin
 * Ed Crosswire's niece's husband, cousin-in-law

The Dattilos

 * Marina Dattilo
 * Mrs. Dattilo, mother

The Compsons

 * Ladonna Compson 
 * Bud Compson 
 * Gussie Compson Older Brother
 * Madison Compson Older Sister
 * Rufus Compson father
 * Mrs. Compson mother
 * Aunt Bo Aunt

The Deegans

 * Prunella Deegan
 * Wanda Deegan, mother
 * Rubella Deegan, sister
 * Grandparents

The Frenskys

 * Francine Frensky
 * Laverne Frensky, mother
 * Oliver Frensky, father
 * Catherine Frensky, sister
 * Bubbie, maternal grandmother
 * Bubbie's husband, maternal grandfather
 * Francine's grandfather, paternal grandfather
 * Seth's mother, aunt
 * Seth's father, uncle
 * Seth, cousin
 * Other unnamed relatives

The Haneys

 * Herbert Haney
 * Mr. Haney's nephew, nephew
 * Mr. Haney's niece, niece

The Lundgrens

 * George Lundgren
 * Mrs. Lundgren, mother
 * Neil Lundgren, father
 * George's sister, sister (only in a few, nonspeaking appearances)

The MacDonalds

 * Molly MacDonald
 * Mrs. MacDonald, mother
 * James MacDonald, brother
 * Miles MacDougall, uncle

The MacGradys

 * Sarah MacGrady
 * Martha, sister
 * Skip Bitterman, nephew
 * Justin, grandson

The Molinas

 * Vicita Molina
 * Mrs. Molina, mother
 * Ramon Molina, father
 * Alberto Molina, brother
 * Unnamed relatives

The Morgans

 * Jenna Morgan
 * Mrs. Morgan, mother
 * Mr. Morgan, father

The Powerses

 * Alan Powers
 * Mrs. Powers, mother
 * Mr. Powers, father
 * Keith Powers, uncle

The Ratburns

 * Nigel Ratburn
 * Rodentia Ratburn, sister
 * Otto Ratburn, father
 * Lisa Ratburn, mother
 * Hans, grandfather
 * Olga, grandmother
 * Joseph, great-grandfather
 * Sophie, great-grandmother
 * Rupert, great-great-grandfather
 * Olav, uncle
 * Fiodor, uncle
 * Susan, aunt
 * Louisa, aunt
 * Anna, great-great-aunt
 * Odo, great-great-uncle
 * Marget, great-great-aunt or great-great-uncle
 * Anastasia, great-great-aunt or great-great-uncle
 * Albert, first cousin twice removed
 * Julie, first cousin twice removed
 * Carl, first cousin twice removed
 * Vaclav, first cousin twice removed
 * Elizabeth, first cousin twice removed
 * Basil, first cousin twice removed

The Reads

 * Arthur Read
 * Jane Read, mother
 * David Read, father
 * D.W. Read, sister
 * Kate Read, sister
 * Thora Read, paternal grandmother
 * Dave, maternal grandfather
 * Thora's Mother, great grandmother
 * Jessica, maternal aunt
 * Richard, maternal uncle
 * Cora, cousin
 * Loretta, paternal aunt
 * Bud, uncle
 * Monique, cousin
 * Ricky, cousin
 * Unknown Female Aardvark (Number 2), cousin
 * Lucy, maternal aunt
 * Lucy's husband, maternal uncle
 * Fred, uncle
 * Unnamed cousin
 * Unnamed aunt
 * Other unnamed relatives
 * Thora's 3 brothers, great uncles

The Tibbles

 * Tommy Tibble
 * Timmy Tibble
 * Trixie Tibble, mother (mentioned)
 * Mrs. Tibble, grandmother

The Walters

 * Fern Walters
 * Doria Walters, mother
 * Mr. Walters, father

Carl

 * Carl's mother, mother

Emily

 * Emily's mother, mother
 * Emily's father, father

Slink

 * Slink's mother, mother