brother-sister

The second approach, called the "brother-sister" theory, does not require coverage of outside risks.

Forbes.com: News Lowell Yoder 2011

Some cultures have lacked morés that condemned brother-sister incest or even the sexual abuse of parent-child incest (or for that matter extra-familial paedophilic abuse) while within living memory (or for that matter currently, within neo-fascist subcultures) some have made a "moral" issue of the deviation from societal norms that they refer to as "miscegenation", considering this as an "abomination" of a similar severity to that which you ascribe "homosex."

Archive 2009-08-01 Hal Duncan 2009

Up against a creepy brother-sister act in fetish gear with shotguns and electrified doorknobs.

MOVIES!: Another Post for Wednesday, 'cause One just Ain't Enough wendigomountain 2009

Luckily, Catherine and Cam have siblings who are close in age, so they're much better placed to understand the complexities of brother-sister relationships than I am.

Charlie Condou: The three of us 2011

During lab testing of disabled children, Beaudet and colleagues detected about 10 cases of genetic patterns that can appear only in children born from father-daughter, mother-son or brother-sister incest.

DNA tests could reveal unknown proof of incest 2011

Before the network announced that it was pulling the home of La Lucci off the air after almost 42 years, Pine Valley's newest residents, a brother-sister team from Doctors Without Borders, were en route to love and happily ever after for as long as that means on daytime TV.

All My Children: Jordi Vilasuso and Lindsay Hartley on the Castillos - And What Might've Been 2011

I guess the one area that we look exactly like your traditional brother-sister relationship is that we clearly know which buttons to push and which ones not to push and at certain moments we do choose just to push them anyway.

Michael Bialas: 'All Your Life' On the Road: An Interview With The Band Perry Michael Bialas 2011

See, I always knew Dean and Jo had more of a brother-sister thing going on, even back in season two. in season two “Born Under a Bad Sign,” demon-possessed Sam told Jo that that was how Dean felt towards her, and when she had her conversation with Dean, she said she knew that demons lied but asked if they ever told the truth.

'Supernatural' recap: Goodbye to old friends, hello Death | EW.com 2009

I guess the one area that we look exactly like your traditional brother-sister relationship is that we clearly know which buttons to push and which ones not to push and at certain moments we do choose just to push them anyway.

Michael Bialas: 'All Your Life' On the Road: An Interview With The Band Perry Michael Bialas 2011

During lab testing of disabled children, Beaudet and colleagues detected about 10 cases of genetic patterns that can appear only in children born from father-daughter, mother-son or brother-sister incest.

DNA tests could reveal unknown proof of incest 2011