An example of a 4-generation medical pedigree

Patient denoted with arrow. From top, left to right.

• I-1: paternal grandfather, died age 82 of unknown cause
• I-2: paternal grandmother, alive age 77
• I-3: maternal grandfather, died age 66, history of MI and hyperlipidemia
• I-4: maternal grandmother, alive age 70

Row II:

• II-1: father, age 57
• II-2: mother, alive age 54 with coronary artery disease onset at age 52
• II-3: maternal uncle, alive age 52 with coronary artery disease onset at age 49
• II-4: maternal aunt, age 48
• II-5: husband of II-4, age 50

Row III:

• III-1: sister, age 35
• III-2: a sibling (sex unknown) who died at birth
• III-3: patient, age 32
• III-4: patient's husband, age 36
• III-5: brother, age 31 with hyperlipidemia
• III-6: brother, age 28 with hyperlipidemia
• III-7: female cousin, age 20

Row IV:

• IV-1: daughter, age 3