These are some twinsets and triplets that I know (other siblings), WDYT?:
Glenda and Adela, 8 yrs.
Ryan and Kristen, 6 yrs. (Anna)
Tyler (b.)and Samantha, 15 yrs. (Julietta)
Lydia and Mariah, 15 yrs.
Evan, Joseph "Joey", and Lauren, 12 yrs.
Taylor (b.) and Christopher "Chris", 16 yrs. (Sean, Alena [uh-layne-uh])
Abundance and Redemption, 4 yrs. Yep, that's right. They go by Abby and Remy, though, thank God!
Rosalie, Kelsey, and Hollis (g.), 16 yrs. (Ian)
Tamara, Kaelyn, and Colton "Cole", 4 yrs. (Tyler, b., Kent "Kenny")
Sarah and Julie, 9 yrs. (Devon, b.)
David, Nicolas, and Samuel "Sam", 14 yrs. (twins: Elizabeth and Noah, 10 yrs.)