List of families

Many Arthur episodes have shown members of main characters' families. This is a list of them ==Alan Powers == ==Arthur Read ==
 * Mrs. Powers, mother
 * Mr. Powers, father
 * Keith Powers, uncle (pictured)
 * Jane Read, mother
 * David Read, father
 * D.W. Read, sister
 * Kate Read, sister
 * Thora Read, paternal grandmother
 * Dave, maternal grandfather
 * Great-Grandma, great grandmother
 * Jessica, maternal aunt
 * Richard, maternal uncle
 * Cora, cousin
 * Loretta, aunt
 * Loretta's husband, uncle
 * Monique, cousin


 * Ricky, cousin


 * Loretta's daughter, cousin


 * Lucy, maternal aunt


 * Lucy's husband, maternal uncle


 * Fred, uncle


 * Unnamed cousin


 * Unnamed aunt


 * Other unnamed relatives

==Binky Barnes == ==Buster Baxter == ==Carl == ==Fern Walters == ==Francine Frensky ==
 * Thora's 3 brothers, great uncles (flashbacks and videos)
 * Mrs. Barnes, mother
 * Mr. Barnes, father
 * Mei-Lin Barnes, adopted sister
 * Bitzi Baxter, mother
 * Bo Baxter, father
 * Stu, uncle
 * Carl's mother, mother
 * Doria Walters, mother
 * Mr. Walters, father
 * Laverne Frensky, mother
 * Oliver Frensky, father
 * Catherine Frensky, sister
 * Bubba, grandmother
 * Seth's mother, aunt
 * Seth's father, uncle
 * Seth, cousin
 * Other unnamed relatives

George Lundgren

 * Mrs. Lundgren, mother
 * Neil Lundgren, father

Jenna Morgan

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

Molly MacDonald

 * Mrs. MacDonald, mother
 * James MacDonald, brother

Muffy Crosswire

 * Millicent Crosswire, mother
 * Ed Crosswire, father
 * Chip Crosswire, brother

Nigel Ratburn

 * Mr. Ratburn's father, father (flashback only)
 * Rodentia Ratburn, sister

Prunella Deegan

 * Wanda Deegan, mother
 * Rubella Deegan, sister

Sarah MacGrady

 * Mrs. MacGrady's sister, sister
 * Skip Bitterman, nephew

Sue Ellen Armstrong

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

Tommy and Timmy Tibble

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

Vicita Molina

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