The measure, known as the coefficient of relationship (R), calculates the proportion of genes that two individuals have in common as a result of their genetic relationship.
This is a 10 generation 4 deep Coefficient of relationship for Rebel And Ivy (Source: De Vine Farm Pedigree Program)
Erieside Ivanna A New Hope 
50%
50%Armor Trails With A Rebel Yell 50%
50%Erieside Evening Grace 30.415%
30.415%Warlords Sierra 29.6875%
29.6875%Warlords My Giva Darn Busted 29.6874%
29.6874%Nacimiento Walking the Line 29.0039%
29.0039%Eriesides Wookie Chebacca 22.9736%
22.9736%Erieside Ah-mazing Grace 22.9736%
22.9736%Celtics Vengance 20.0195%
20.0195%Palones Here Lukin Attcha 19.4335%
19.4335%Mistress Wren of Silveradoch 19.3359%
19.3359%Pallones Naciamento Danny girl 18.0664%
18.0664%Pallone Sweet and Sassy Hazel 17.4316%
17.4316%Warlords Under Cover Angle 17.2851%
17.2851%Pallone Crowning Glory 16.9677%
16.9677%Greco’s Titan I Did It My Way 16.8701%
16.8701%Warlords Commander And Chief 16.2109%
16.2109%Palones Glorius Chloe 14.7460%
14.7460%Pallone Against All Odds 14.5751%
14.5751%Warlords Agent Oh Oh Seven 14.1601%
14.1601%Celtics Starstruck Sabrina 13.5253%
13.5253%Arciniega’s Sweet Willie 13.3422%
13.3422%Warlords Fire and Ice 13.1469%
13.1469%Lionsire Ironhil Warleggen 13.0493%
13.0493%Iron Hills Storm’in Norman 12.9638%
12.9638%Iron Hills Warwagon 11.9628%
11.9628%Deer Run Ezekiel 11.5600%
11.5600%Arciniega’s Sweet Fatima 11.3769%
11.3769%Pallones Bunker Buster 11.2304%
11.2304%Farleys Eledwhen Steelsheen 11.1816%
11.1816%Iron Hills War Bonnett 11.1328%
11.1328%Iron Hills Lionsire Poldark 10.908%
10.908%Deer Run Ivan 10.8886%
10.8886%Groppetti Wallon 10.8032%
10.8032%Smok’N Lad sand river Rio 10.7299%
10.7299%Pallone Paragon’s Bull Dozer 10.7177%
10.7177%Deer Run Wycliff 10.6079%
10.6079%Greco’s Hollesley Rogue 10.5468%
10.5468%Arciniega’s Merani Beto 10.5346%
10.5346%Arciniega’s FWL Cleo Sahba 10.4736%
10.4736%Arciniega’s Lion OF Bredwardin 10.2172%
10.2172%Oaklane This Bud’s For Us 9.9609%
9.9609%Iron Hills Elbereth 9.9121%
9.9121%Iron Hills Phoebus Groppetti 9.8632%
9.8632%Warlords Secret Agent Man 9.6191%
9.6191%Griener hall Jedadiah 9.3383%
9.3383%